Union Square Ventures

Union Square Ventures is a New York-based venture capital firm founded in 2003, specializing in early-stage and growth financing across various sectors, including financial services, healthcare, and technology. The firm exclusively invests in the internet ecosystem, focusing on web applications, internet services, and mobile technologies that leverage large user networks and network effects. Union Square Ventures typically makes initial investments ranging from $1 million to $3 million, with a maximum investment of up to $20 million in any single company. The firm prefers to act as a lead investor, targeting ownership levels of 15% to 20%, and actively engages with the entrepreneurs it funds. Its investment strategy includes seeking out companies that utilize innovative information technology to drive high growth in diverse fields such as media, marketing, fintech, climate tech, and blockchain. Union Square Ventures primarily invests in companies located in major urban centers, including New York, San Francisco, London, and Berlin.

Brad Burnham

Partner

John Buttrick

Partner

Grace Carney

Analyst

Nick Grossman

Partner

Matt Mandel

Analyst

Hannah Murdoch

Analyst

Nikhil Raman

Analyst

Andy Weissman

Managing Partner

Fred Wilson

Partner

Past deals in Social Network

Primitives

Pre Seed Round in 2022
Primitives is a web3 social application that focuses on the development of a digital art marketplace platform. This platform is designed to foster creativity and facilitate the discovery of new creators while allowing users to mint and share their artwork. It offers a user-friendly interface for creating, collecting, and sharing digital art, as well as providing NFT wallets that enable users to establish a private digital social network. Through experience-based NFTs, users can connect with others and join communities of like-minded creators, enhancing their artistic and social interactions in the digital space.

3Box

Series A in 2022
3Box Inc., founded in 2018 and based in New York, provides innovative tools for Ethereum users and developers. Its flagship offering, 3box.io, is a social profiles application that enables users to create and manage their online identities within decentralized applications (dApps). The company also offers 3box.js, an API designed for web3 developers to facilitate user onboarding and data management for profiles. Additionally, the 3box-dapp allows users to sign in to various dApps, interact socially, build reputations, and securely store their data. With a focus on simplicity, security, and privacy, 3Box aims to create a more trustworthy environment for applications that manage user data.

Polygon

Venture Round in 2022
Matic Network is a team passionate about decentralization and better products. The current decentralized eco-system lacks usability and convenience. Decentralized transactions are slow, expensive and complex. They aim to change this by leveraging a combination of blockchain scaling, developer platform and tools, and a rabid focus on user experience. They aspire to see a world where blockchain gains mainstream adoption, and fulfills it's true promise.

Stack Overflow

Series E in 2020
Stack Overflow Ltd operates an online community tailored for developers and technologists, facilitating knowledge sharing and problem-solving in programming. The company provides several key services, including Stack Overflow for Teams, which supports mission-critical knowledge management, and Stack Overflow for Talent and Jobs, a platform designed for hiring and employer branding solutions within technology sectors. Additionally, Stack Overflow Advertising enables businesses to promote products and enhance brand visibility. For larger organizations, Stack Overflow Enterprise offers a secure environment for sharing and accessing essential company information. Founded in 2008 and based in London, United Kingdom, Stack Overflow Ltd was previously known as Stack Exchange Ltd.

PROPS

Initial Coin Offering in 2020
PROPS is a new cryptocurrency that grants access to features, content and status across media apps that share a currency and identity layer, and whose users benefit from the PROPS rewards pool.

PROPS

Initial Coin Offering in 2020
PROPS is a new cryptocurrency that grants access to features, content and status across media apps that share a currency and identity layer, and whose users benefit from the PROPS rewards pool.

Splice

Series C in 2019
Splice designs and develops a technology platform for music creators streamlines the fragmented process of creating and sharing music. It also provides artists with means to connect with fans and other artists to solicit feedback throughout every step of the process. The company was founded in 2013 and headquartered in New York City.

Amino

Series C in 2018
Amino Apps is a mobile community platform that connects individuals through shared interests and passions. Established in 2011, the platform facilitates a network of communities where users can explore, discover, and engage deeply with various topics. Through features such as chat, blogs, and polls, Amino enables users to unite with like-minded individuals from around the world, fostering interaction and collaboration within these interest-based groups.

Splice

Series B in 2017
Splice designs and develops a technology platform for music creators streamlines the fragmented process of creating and sharing music. It also provides artists with means to connect with fans and other artists to solicit feedback throughout every step of the process. The company was founded in 2013 and headquartered in New York City.

Stacks

Initial Coin Offering in 2017
Stacks is a mobile communications company based in Melbourne, Australia, that specializes in branded contact sharing solutions. The company provides innovative business cards for iPhone users, enabling them to share contact information seamlessly via iOS 7 and AirDrop. Users can efficiently organize the business cards they receive into customized stacks based on categories such as company, profession, or event. Additionally, any updates made to contact details are automatically synchronized with their contacts, ensuring that information remains current and accessible. Stacks focuses on enhancing the way individuals manage and share their professional connections.

PROPS

Venture Round in 2017
PROPS is a new cryptocurrency that grants access to features, content and status across media apps that share a currency and identity layer, and whose users benefit from the PROPS rewards pool.

Stacks

Series A in 2017
Stacks is a mobile communications company based in Melbourne, Australia, that specializes in branded contact sharing solutions. The company provides innovative business cards for iPhone users, enabling them to share contact information seamlessly via iOS 7 and AirDrop. Users can efficiently organize the business cards they receive into customized stacks based on categories such as company, profession, or event. Additionally, any updates made to contact details are automatically synchronized with their contacts, ensuring that information remains current and accessible. Stacks focuses on enhancing the way individuals manage and share their professional connections.

OneName

Venture Round in 2017
Onename is a registrar (like GoDaddy) for the .id namespace on the Blockstack network.

Amino

Series B in 2016
Amino Apps is a mobile community platform that connects individuals through shared interests and passions. Established in 2011, the platform facilitates a network of communities where users can explore, discover, and engage deeply with various topics. Through features such as chat, blogs, and polls, Amino enables users to unite with like-minded individuals from around the world, fostering interaction and collaboration within these interest-based groups.

Koko

Series A in 2016
The Internet can be a mean place. Koko keeps your community safe by using AI to identify bad actors and damaging content. Koko can detect issues in real time and notify your moderation system. Koko is already used by several of the top online communities to support over 100 million moderation decisions per day with typical accuracy above 99%. Koko originated at the MIT Media Lab and has collaborations with MIT, Stanford, Harvard, NYU, Columbia, and Cambridge. The company has raised $3.5M in financing from top investors including USV and Omidyar Network. Koko is based in New York City and is actively hiring for engineering, design, product management, and sales.

CircleUp

Series C in 2015
CircleUp Network, Inc. operates an equity crowdfunding platform that connects accredited investors with early-stage consumer and retail brand entrepreneurs. Founded in 2011 and based in San Francisco, the company provides a modern approach to private markets by facilitating access to capital and resources for innovative consumer goods companies. Utilizing Helio, its proprietary machine learning platform, CircleUp analyzes vast amounts of data to evaluate potential investments and predict business success. The platform emphasizes sectors such as food, personal care, pet products, apparel, retail, and restaurants, allowing investors to discover and research promising brands. CircleUp’s investor base includes industry experts, venture capitalists, private equity professionals, and angel investors, all focused on identifying and supporting the growth of emerging consumer brands.

Amino

Series A in 2015
Amino Apps is a mobile community platform that connects individuals through shared interests and passions. Established in 2011, the platform facilitates a network of communities where users can explore, discover, and engage deeply with various topics. Through features such as chat, blogs, and polls, Amino enables users to unite with like-minded individuals from around the world, fostering interaction and collaboration within these interest-based groups.

Stack Exchange

Venture Round in 2015
Stack Exchange Inc. operates a diverse network of question-and-answer websites covering a wide range of topics, including software programming, cooking, photography, and gaming. The platform enables users to ask and answer questions without the need for registration, fostering an open community for knowledge sharing. Among its offerings is Stack Overflow for Teams, which provides development teams with a dedicated space to seek answers to technical inquiries. The company serves a variety of professionals, including programmers, researchers, and photographers. Founded in 2008 and originally known as Stack Overflow, Inc., it rebranded to Stack Exchange Inc. in March 2011 and is headquartered in New York, New York.

Stack Overflow

Series D in 2015
Stack Overflow Ltd operates an online community tailored for developers and technologists, facilitating knowledge sharing and problem-solving in programming. The company provides several key services, including Stack Overflow for Teams, which supports mission-critical knowledge management, and Stack Overflow for Talent and Jobs, a platform designed for hiring and employer branding solutions within technology sectors. Additionally, Stack Overflow Advertising enables businesses to promote products and enhance brand visibility. For larger organizations, Stack Overflow Enterprise offers a secure environment for sharing and accessing essential company information. Founded in 2008 and based in London, United Kingdom, Stack Overflow Ltd was previously known as Stack Exchange Ltd.

Stacks

Seed Round in 2014
Stacks is a mobile communications company based in Melbourne, Australia, that specializes in branded contact sharing solutions. The company provides innovative business cards for iPhone users, enabling them to share contact information seamlessly via iOS 7 and AirDrop. Users can efficiently organize the business cards they receive into customized stacks based on categories such as company, profession, or event. Additionally, any updates made to contact details are automatically synchronized with their contacts, ensuring that information remains current and accessible. Stacks focuses on enhancing the way individuals manage and share their professional connections.

OneName

Seed Round in 2014
Onename is a registrar (like GoDaddy) for the .id namespace on the Blockstack network.

Splice

Series A in 2014
Splice designs and develops a technology platform for music creators streamlines the fragmented process of creating and sharing music. It also provides artists with means to connect with fans and other artists to solicit feedback throughout every step of the process. The company was founded in 2013 and headquartered in New York City.

Edmodo

Series D in 2014
Edmodo, Inc. operates an online platform that serves as a global education network, enabling educators to connect and collaborate with students, parents, and fellow teachers. Founded in 2008 and based in San Mateo, California, Edmodo has grown to encompass over 77 million users across approximately 550,000 schools worldwide. The platform focuses on enhancing communication and collaboration while protecting the privacy of its users. It offers tools for school leaders to utilize analytics, deliver professional development, and improve learning outcomes through frequent formative assessments. Edmodo allows educators to share resources, post classroom materials, and access important school information, thereby fostering a dynamic learning community. In May 2018, Edmodo became a subsidiary of Best Assistant Education Online Limited, further expanding its reach and capabilities in the educational sector.

Amino

Seed Round in 2014
Amino Apps is a mobile community platform that connects individuals through shared interests and passions. Established in 2011, the platform facilitates a network of communities where users can explore, discover, and engage deeply with various topics. Through features such as chat, blogs, and polls, Amino enables users to unite with like-minded individuals from around the world, fostering interaction and collaboration within these interest-based groups.

CircleUp

Series B in 2014
CircleUp Network, Inc. operates an equity crowdfunding platform that connects accredited investors with early-stage consumer and retail brand entrepreneurs. Founded in 2011 and based in San Francisco, the company provides a modern approach to private markets by facilitating access to capital and resources for innovative consumer goods companies. Utilizing Helio, its proprietary machine learning platform, CircleUp analyzes vast amounts of data to evaluate potential investments and predict business success. The platform emphasizes sectors such as food, personal care, pet products, apparel, retail, and restaurants, allowing investors to discover and research promising brands. CircleUp’s investor base includes industry experts, venture capitalists, private equity professionals, and angel investors, all focused on identifying and supporting the growth of emerging consumer brands.

SoundCloud

Series D in 2014
SoundCloud is a social sound platform that enables users to create, upload, and share audio content, including music. Launched in 2008 by Alexander Ljung and Eric Wahlforss, it serves as a hub for a diverse community of creators and listeners. The platform allows sound creators to instantly record and distribute their works while providing them with detailed statistics and feedback from the community. SoundCloud connects artists with their fans globally, facilitating the promotion and sharing of music through blogs, websites, and social networks. This open platform not only helps artists distribute their work but also enhances the music discovery experience for users.

Splice

Seed Round in 2013
Splice designs and develops a technology platform for music creators streamlines the fragmented process of creating and sharing music. It also provides artists with means to connect with fans and other artists to solicit feedback throughout every step of the process. The company was founded in 2013 and headquartered in New York City.

YouNow

Series A in 2013
YouNow, Inc. is a live social network that allows users to broadcast and express themselves to a global audience in real time. Founded in 2011 and based in New York, the platform enables users to discover talented broadcasters, watch live streams, and engage in video chats through devices such as iOS, Android, and web browsers. YouNow operates PROPS, a blockchain-based platform that supports a decentralized economy for many-to-many video applications, where users can purchase virtual currency and content creators earn revenue based on audience engagement. Additionally, YouNow offers various products, including Rize, which connects broadcasters with engaged viewers, and the WTF game show application, allowing teams to participate in live video chat contests. The platform emphasizes the potential of human creativity and aims to fuse broadcasting, gaming, and social networking to create interactive content in real time.

CircleUp

Series A in 2013
CircleUp Network, Inc. operates an equity crowdfunding platform that connects accredited investors with early-stage consumer and retail brand entrepreneurs. Founded in 2011 and based in San Francisco, the company provides a modern approach to private markets by facilitating access to capital and resources for innovative consumer goods companies. Utilizing Helio, its proprietary machine learning platform, CircleUp analyzes vast amounts of data to evaluate potential investments and predict business success. The platform emphasizes sectors such as food, personal care, pet products, apparel, retail, and restaurants, allowing investors to discover and research promising brands. CircleUp’s investor base includes industry experts, venture capitalists, private equity professionals, and angel investors, all focused on identifying and supporting the growth of emerging consumer brands.

HeyZap

Series B in 2012
Heyzap is a premier mobile ad network that helps millions of users discover apps they love. Heyzap’s SDK for Android and iOS apps allows both well-established app producers and innovative indie developers to monetize and bring their apps to a wide audience. It currently provides advertising, publishing, mediation, and cross-promotion services to mobile developers worldwide. Heyzap is based in San Francisco and was founded in 2009 by Jude Gomila and Immad Akhund.

Edmodo

Series C in 2012
Edmodo, Inc. operates an online platform that serves as a global education network, enabling educators to connect and collaborate with students, parents, and fellow teachers. Founded in 2008 and based in San Mateo, California, Edmodo has grown to encompass over 77 million users across approximately 550,000 schools worldwide. The platform focuses on enhancing communication and collaboration while protecting the privacy of its users. It offers tools for school leaders to utilize analytics, deliver professional development, and improve learning outcomes through frequent formative assessments. Edmodo allows educators to share resources, post classroom materials, and access important school information, thereby fostering a dynamic learning community. In May 2018, Edmodo became a subsidiary of Best Assistant Education Online Limited, further expanding its reach and capabilities in the educational sector.

Behance

Series A in 2012
Behance is an online platform that allows creative professionals to showcase and discover work through multimedia portfolios. Launched in September 2006 by Matias Corea and Scott Belsky, it serves a wide range of creative fields including design, photography, animation, and fine arts. The platform not only enables users to display their portfolios but also fosters networking among creative communities, schools, and organizations. Additionally, Behance integrates with ProSite, a customizable portfolio site builder, and distributes creative work to other online galleries. With millions of users visiting the site monthly, Behance has become a vital resource for individuals seeking to showcase their talent and connect with opportunities in the creative industry. Its operations are based in New York, United States.

AdaptiveBlue

Series D in 2012
AdaptiveBlue is the company that develops GetGlue, a leading social entertainment network. GetGlue users check-in while consuming entertainment to connect with friends, get personalized recommendations, and earn exclusive rewards from more than 25 top entertainment companies. AdaptiveBlue is based in New York and has 15 employees.

GetGlue

Venture Round in 2012
Check-in with Telfie.com and unlock exclusive stickers. Get the app, and start checking-in

Edmodo

Series B in 2011
Edmodo, Inc. operates an online platform that serves as a global education network, enabling educators to connect and collaborate with students, parents, and fellow teachers. Founded in 2008 and based in San Mateo, California, Edmodo has grown to encompass over 77 million users across approximately 550,000 schools worldwide. The platform focuses on enhancing communication and collaboration while protecting the privacy of its users. It offers tools for school leaders to utilize analytics, deliver professional development, and improve learning outcomes through frequent formative assessments. Edmodo allows educators to share resources, post classroom materials, and access important school information, thereby fostering a dynamic learning community. In May 2018, Edmodo became a subsidiary of Best Assistant Education Online Limited, further expanding its reach and capabilities in the educational sector.

Clickable

Series C in 2011
Clickable, Inc. is a technology company that specializes in sales and marketing ROI reporting and automation solutions. Acquired by Brand Networks in 2019, Clickable offers a platform designed to track marketing ROI throughout the customer lifecycle, from audience activation to retention and advocacy. The platform integrates data from various sources, including social media, customer relationship management (CRM) systems, and marketing analytics, to create a customizable business intelligence dashboard. This enables marketers and advertisers to visualize and analyze data effectively, facilitating informed decisions regarding marketing placements and spending. Clickable serves a diverse client base, ranging from Fortune 50 companies to mid-market agencies, and aims to streamline the process of managing search and social advertising campaigns. Established in 2006 and headquartered in San Francisco, Clickable has undergone significant transitions, including previous ownership by LookSmart and substantial investments to enhance its data infrastructure.

Tumblr

Series E in 2011
Tumblr is a microblogging platform and social networking website that enables users to create and share multimedia content on short-form blogs. Launched in 2007 by David Karp and headquartered in New York, the platform allows users to follow other blogs and manage their own blogs' privacy settings. Users can effortlessly share a variety of content, including text, photos, quotes, links, music, and videos, accessible through a user-friendly dashboard interface. Tumblr has become a vibrant media network, supported by a diverse community of independent creators and attracting over 400 million unique visitors. The platform was acquired by Yahoo in 2013, enhancing its reach and capabilities in the digital space.

turntable.fm

Series A in 2011
Turntable.fm is a project of [Seth Goldstein](http://www.crunchbase.com/person/seth-goldstein) and [Billy Chasen](http://www.crunchbase.com/person/billy-chasen), the two guys who brought us [Stickybits](http://www.crunchbase.com/organization/stickybits). Users in each dance room has an avatar and can chat with each other. Users can create their own playlist and get up in the DJ booth to battle it out. Turntable.fm a social music platform that encourages hanging out with people and discovering music. If a DJ is playing a song you like, you can add it to your playlist, buy it on iTunes, find it on Last.fm, or launch Spotify. In November 2013, Turntable announced they would be shutting down turntable.fm to focus on their live events platform.

Canvas Networks

Series A in 2011
Canvas Networks was an online community platform focused on image sharing and remixing. It provided users with a space to share, submit, and edit images using its software application. The platform facilitated collaboration among users, allowing them to create and modify visual content collectively. By fostering an interactive environment, Canvas Networks aimed to enhance the creative process and enable individuals to engage with digital imagery in innovative ways.

Disqus

Series B in 2011
Disqus, Inc. operates a comments and audience development platform designed to foster community engagement on websites. Founded in 2007 and based in San Francisco, the company provides tools that help users attract, build, and maintain their audiences while generating revenue. Disqus connects over 1 billion users monthly across 2.5 million registered communities, offering features such as social integration, user profiles, spam moderation, and mobile commenting. The platform enhances discussions and interactions, allowing commenters to build reputations and carry their contributions across different sites. By leveraging its networked comment system, Disqus enables bloggers and publishers to enhance the quality and volume of conversations, making it easier for users to discover and discuss content relevant to their interests. Disqus operates as a subsidiary of Zeta Interactive Corp.

Stack Overflow

Series B in 2011
Stack Overflow Ltd operates an online community tailored for developers and technologists, facilitating knowledge sharing and problem-solving in programming. The company provides several key services, including Stack Overflow for Teams, which supports mission-critical knowledge management, and Stack Overflow for Talent and Jobs, a platform designed for hiring and employer branding solutions within technology sectors. Additionally, Stack Overflow Advertising enables businesses to promote products and enhance brand visibility. For larger organizations, Stack Overflow Enterprise offers a secure environment for sharing and accessing essential company information. Founded in 2008 and based in London, United Kingdom, Stack Overflow Ltd was previously known as Stack Exchange Ltd.

Boxee

Series C in 2011
Boxee is a media player software platform that combines locally stored media with Internet streaming services and social networking features. The platform allows users to share their media experiences with others, enhancing social interaction through connections on networks like Twitter and Facebook. Boxee is partially open-source, enabling users to develop their own applications, plug-ins, and skins, fostering a community of creativity and customization. The software is built on the foundation of the Xbox Media Center project, which was originally designed by home theater enthusiasts. Additionally, Boxee TV extends this functionality by delivering popular Internet applications directly to television screens, making it easier for users to access a variety of content in one place.

SoundCloud

Series B in 2011
SoundCloud is a social sound platform where anyone can create and share sounds. It allows people to discover and enjoy the largest selection of music from the world’s most diverse creator community. This is made possible by an open platform that directly connects creators and their fans across the globe. Sound creators can use the platform to instantly record, upload, and share sounds across the internet, as well as receive detailed stats and feedback from the SoundCloud community. SoundCloud was launched in 2008 by Alexander Ljung and Eric Wahlforss.

Brewster

Seed Round in 2011
Brewster is a relationship-centric address book application that consolidates contact information and employment details of individuals within a user's network. It allows users to explore mutual connections and quickly access frequently contacted people. Brewster enhances the traditional address book by offering features that highlight individuals who are currently prominent in a user's life and those with whom they may be losing touch. The platform also provides a versatile search capability, enabling users to find contacts by various criteria, including name, location, or interests. By doing so, Brewster effectively connects individuals as their relationships evolve.

Twitter

Series F in 2010
Twitter is a social networking platform that enables users to send and read short messages, known as "tweets," with a character limit of 280. Launched in 2006, Twitter has grown into a global real-time communications platform, attracting more than 400 million monthly visitors and 255 million active users. The platform serves a diverse user base that includes world leaders, athletes, news organizations, and entertainment figures, and is accessible in over 35 languages. Users can interact with the platform through various means, including web browsers, SMS, and mobile applications. Headquartered in San Francisco, California, Twitter also maintains numerous local offices across the United States and several international offices in major cities around the world.

Edmodo

Series A in 2010
Edmodo, Inc. operates an online platform that serves as a global education network, enabling educators to connect and collaborate with students, parents, and fellow teachers. Founded in 2008 and based in San Mateo, California, Edmodo has grown to encompass over 77 million users across approximately 550,000 schools worldwide. The platform focuses on enhancing communication and collaboration while protecting the privacy of its users. It offers tools for school leaders to utilize analytics, deliver professional development, and improve learning outcomes through frequent formative assessments. Edmodo allows educators to share resources, post classroom materials, and access important school information, thereby fostering a dynamic learning community. In May 2018, Edmodo became a subsidiary of Best Assistant Education Online Limited, further expanding its reach and capabilities in the educational sector.

AdaptiveBlue

Series C in 2010
AdaptiveBlue is the company that develops GetGlue, a leading social entertainment network. GetGlue users check-in while consuming entertainment to connect with friends, get personalized recommendations, and earn exclusive rewards from more than 25 top entertainment companies. AdaptiveBlue is based in New York and has 15 employees.

Tumblr

Series D in 2010
Tumblr is a microblogging platform and social networking website that enables users to create and share multimedia content on short-form blogs. Launched in 2007 by David Karp and headquartered in New York, the platform allows users to follow other blogs and manage their own blogs' privacy settings. Users can effortlessly share a variety of content, including text, photos, quotes, links, music, and videos, accessible through a user-friendly dashboard interface. Tumblr has become a vibrant media network, supported by a diverse community of independent creators and attracting over 400 million unique visitors. The platform was acquired by Yahoo in 2013, enhancing its reach and capabilities in the digital space.

Hashable

Series A in 2010
Hashable is a digital networking platform that helps users manage and remember their professional connections. It offers a mobile application for both iPhone and Android devices, allowing users to create a unified address book that consolidates all their relationships. The app enables users to send virtual business cards to initiate connections without the need for paper. Users can also make private notes about their contacts and set follow-up reminders to maintain relationships effectively. Additionally, Hashable provides a scrollable history of interactions with each contact, enhancing the networking experience by making it easier and more efficient to keep track of professional engagements.

HeyZap

Series A in 2010
Heyzap is a premier mobile ad network that helps millions of users discover apps they love. Heyzap’s SDK for Android and iOS apps allows both well-established app producers and innovative indie developers to monetize and bring their apps to a wide audience. It currently provides advertising, publishing, mediation, and cross-promotion services to mobile developers worldwide. Heyzap is based in San Francisco and was founded in 2009 by Jude Gomila and Immad Akhund.

Stack Overflow

Series A in 2010
Stack Overflow Ltd operates an online community tailored for developers and technologists, facilitating knowledge sharing and problem-solving in programming. The company provides several key services, including Stack Overflow for Teams, which supports mission-critical knowledge management, and Stack Overflow for Talent and Jobs, a platform designed for hiring and employer branding solutions within technology sectors. Additionally, Stack Overflow Advertising enables businesses to promote products and enhance brand visibility. For larger organizations, Stack Overflow Enterprise offers a secure environment for sharing and accessing essential company information. Founded in 2008 and based in London, United Kingdom, Stack Overflow Ltd was previously known as Stack Exchange Ltd.

Tumblr

Series C in 2010
Tumblr is a microblogging platform and social networking website that enables users to create and share multimedia content on short-form blogs. Launched in 2007 by David Karp and headquartered in New York, the platform allows users to follow other blogs and manage their own blogs' privacy settings. Users can effortlessly share a variety of content, including text, photos, quotes, links, music, and videos, accessible through a user-friendly dashboard interface. Tumblr has become a vibrant media network, supported by a diverse community of independent creators and attracting over 400 million unique visitors. The platform was acquired by Yahoo in 2013, enhancing its reach and capabilities in the digital space.

UpCompany

Venture Round in 2009
UpCompany, Inc. is a New York-based firm that specializes in providing comprehensive information about companies, industries, and business professionals through its online platforms. The company operates RakedIn.com, a financial portal that offers organized data on various businesses, including financial metrics and industry news, along with intuitive visualizations and analytical tools for users. Established in 2008, UpCompany also oversees additional services such as Hashable, which facilitates meaningful networking connections, and Tracked.com, a platform that combines features of popular financial and social media sites to deliver a unique user experience. Through these offerings, UpCompany aims to enhance the accessibility and understanding of business information for general users.

Boxee

Series B in 2009
Boxee is a media player software platform that combines locally stored media with Internet streaming services and social networking features. The platform allows users to share their media experiences with others, enhancing social interaction through connections on networks like Twitter and Facebook. Boxee is partially open-source, enabling users to develop their own applications, plug-ins, and skins, fostering a community of creativity and customization. The software is built on the foundation of the Xbox Media Center project, which was originally designed by home theater enthusiasts. Additionally, Boxee TV extends this functionality by delivering popular Internet applications directly to television screens, making it easier for users to access a variety of content in one place.

Tracked.com

Series A in 2009
Tracked.com is what you get if you were to mash together Yahoo and Google Finance, with aspects of Twitter, Facebook, and LinkedIn. The service looks like Yahoo and Google Finance, but functions like LinkedIn, as its atomic elements are people and companies, not tickers. Thus, there are pages for literally any business entity. Every item in the service (stock quote, chart, news story, 13d filing, person, company) can be shared with other users of the service.

HeyZap

Seed Round in 2009
Heyzap is a premier mobile ad network that helps millions of users discover apps they love. Heyzap’s SDK for Android and iOS apps allows both well-established app producers and innovative indie developers to monetize and bring their apps to a wide audience. It currently provides advertising, publishing, mediation, and cross-promotion services to mobile developers worldwide. Heyzap is based in San Francisco and was founded in 2009 by Jude Gomila and Immad Akhund.

Twitter

Series C in 2009
Twitter is a social networking platform that enables users to send and read short messages, known as "tweets," with a character limit of 280. Launched in 2006, Twitter has grown into a global real-time communications platform, attracting more than 400 million monthly visitors and 255 million active users. The platform serves a diverse user base that includes world leaders, athletes, news organizations, and entertainment figures, and is accessible in over 35 languages. Users can interact with the platform through various means, including web browsers, SMS, and mobile applications. Headquartered in San Francisco, California, Twitter also maintains numerous local offices across the United States and several international offices in major cities around the world.

Tumblr

Series B in 2008
Tumblr is a microblogging platform and social networking website that enables users to create and share multimedia content on short-form blogs. Launched in 2007 by David Karp and headquartered in New York, the platform allows users to follow other blogs and manage their own blogs' privacy settings. Users can effortlessly share a variety of content, including text, photos, quotes, links, music, and videos, accessible through a user-friendly dashboard interface. Tumblr has become a vibrant media network, supported by a diverse community of independent creators and attracting over 400 million unique visitors. The platform was acquired by Yahoo in 2013, enhancing its reach and capabilities in the digital space.

Boxee

Series A in 2008
Boxee is a media player software platform that combines locally stored media with Internet streaming services and social networking features. The platform allows users to share their media experiences with others, enhancing social interaction through connections on networks like Twitter and Facebook. Boxee is partially open-source, enabling users to develop their own applications, plug-ins, and skins, fostering a community of creativity and customization. The software is built on the foundation of the Xbox Media Center project, which was originally designed by home theater enthusiasts. Additionally, Boxee TV extends this functionality by delivering popular Internet applications directly to television screens, making it easier for users to access a variety of content in one place.

AdaptiveBlue

Series B in 2008
AdaptiveBlue is the company that develops GetGlue, a leading social entertainment network. GetGlue users check-in while consuming entertainment to connect with friends, get personalized recommendations, and earn exclusive rewards from more than 25 top entertainment companies. AdaptiveBlue is based in New York and has 15 employees.

Clickable

Series B in 2008
Clickable, Inc. is a technology company that specializes in sales and marketing ROI reporting and automation solutions. Acquired by Brand Networks in 2019, Clickable offers a platform designed to track marketing ROI throughout the customer lifecycle, from audience activation to retention and advocacy. The platform integrates data from various sources, including social media, customer relationship management (CRM) systems, and marketing analytics, to create a customizable business intelligence dashboard. This enables marketers and advertisers to visualize and analyze data effectively, facilitating informed decisions regarding marketing placements and spending. Clickable serves a diverse client base, ranging from Fortune 50 companies to mid-market agencies, and aims to streamline the process of managing search and social advertising campaigns. Established in 2006 and headquartered in San Francisco, Clickable has undergone significant transitions, including previous ownership by LookSmart and substantial investments to enhance its data infrastructure.

Meetup

Series D in 2008
Meetup, Inc. operates a website that facilitates the organization of local groups and events, enabling individuals to connect over shared interests. Founded in 2002 and based in New York City, the platform offers a wide range of categories, including arts and culture, business, health and well-being, technology, and various recreational activities. Meetup serves a global audience, providing resources for users to explore, teach, and learn in a collaborative environment. The company emphasizes the importance of social interaction and community engagement, encouraging people to come together to pursue their passions and enhance their lives. As of November 2017, Meetup operates as a subsidiary of The We Company.

Zynga

Series B in 2008
Zynga Inc. is a prominent developer and operator of social games, offering live services that are accessible on mobile platforms and social networking sites. Founded in 2007 and headquartered in San Francisco, California, Zynga markets popular game franchises, including Slots, Words With Friends, Zynga Poker, and FarmVille. The company's games are available on platforms such as iOS, Android, Facebook, and Snapchat. Zynga generates revenue primarily through mobile game downloads and in-game sales of virtual goods, with a significant portion also coming from advertising services provided to agencies and brokers. The majority of its revenue is derived from online gaming, with its top three games contributing substantially to this segment. Zynga's focus on engaging users through social gaming continues to position it as a leader in the interactive entertainment industry.

Tracked.com

Seed Round in 2008
Tracked.com is what you get if you were to mash together Yahoo and Google Finance, with aspects of Twitter, Facebook, and LinkedIn. The service looks like Yahoo and Google Finance, but functions like LinkedIn, as its atomic elements are people and companies, not tickers. Thus, there are pages for literally any business entity. Every item in the service (stock quote, chart, news story, 13d filing, person, company) can be shared with other users of the service.

Twitter

Series B in 2008
Twitter is a social networking platform that enables users to send and read short messages, known as "tweets," with a character limit of 280. Launched in 2006, Twitter has grown into a global real-time communications platform, attracting more than 400 million monthly visitors and 255 million active users. The platform serves a diverse user base that includes world leaders, athletes, news organizations, and entertainment figures, and is accessible in over 35 languages. Users can interact with the platform through various means, including web browsers, SMS, and mobile applications. Headquartered in San Francisco, California, Twitter also maintains numerous local offices across the United States and several international offices in major cities around the world.

Disqus

Series A in 2008
Disqus, Inc. operates a comments and audience development platform designed to foster community engagement on websites. Founded in 2007 and based in San Francisco, the company provides tools that help users attract, build, and maintain their audiences while generating revenue. Disqus connects over 1 billion users monthly across 2.5 million registered communities, offering features such as social integration, user profiles, spam moderation, and mobile commenting. The platform enhances discussions and interactions, allowing commenters to build reputations and carry their contributions across different sites. By leveraging its networked comment system, Disqus enables bloggers and publishers to enhance the quality and volume of conversations, making it easier for users to discover and discuss content relevant to their interests. Disqus operates as a subsidiary of Zeta Interactive Corp.

Zynga

Series A in 2008
Zynga Inc. is a prominent developer and operator of social games, offering live services that are accessible on mobile platforms and social networking sites. Founded in 2007 and headquartered in San Francisco, California, Zynga markets popular game franchises, including Slots, Words With Friends, Zynga Poker, and FarmVille. The company's games are available on platforms such as iOS, Android, Facebook, and Snapchat. Zynga generates revenue primarily through mobile game downloads and in-game sales of virtual goods, with a significant portion also coming from advertising services provided to agencies and brokers. The majority of its revenue is derived from online gaming, with its top three games contributing substantially to this segment. Zynga's focus on engaging users through social gaming continues to position it as a leader in the interactive entertainment industry.

Zynga

Series A in 2008
Zynga Inc. is a prominent developer and operator of social games, offering live services that are accessible on mobile platforms and social networking sites. Founded in 2007 and headquartered in San Francisco, California, Zynga markets popular game franchises, including Slots, Words With Friends, Zynga Poker, and FarmVille. The company's games are available on platforms such as iOS, Android, Facebook, and Snapchat. Zynga generates revenue primarily through mobile game downloads and in-game sales of virtual goods, with a significant portion also coming from advertising services provided to agencies and brokers. The majority of its revenue is derived from online gaming, with its top three games contributing substantially to this segment. Zynga's focus on engaging users through social gaming continues to position it as a leader in the interactive entertainment industry.

Clickable

Series A in 2007
Clickable, Inc. is a technology company that specializes in sales and marketing ROI reporting and automation solutions. Acquired by Brand Networks in 2019, Clickable offers a platform designed to track marketing ROI throughout the customer lifecycle, from audience activation to retention and advocacy. The platform integrates data from various sources, including social media, customer relationship management (CRM) systems, and marketing analytics, to create a customizable business intelligence dashboard. This enables marketers and advertisers to visualize and analyze data effectively, facilitating informed decisions regarding marketing placements and spending. Clickable serves a diverse client base, ranging from Fortune 50 companies to mid-market agencies, and aims to streamline the process of managing search and social advertising campaigns. Established in 2006 and headquartered in San Francisco, Clickable has undergone significant transitions, including previous ownership by LookSmart and substantial investments to enhance its data infrastructure.

Tumblr

Series A in 2007
Tumblr is a microblogging platform and social networking website that enables users to create and share multimedia content on short-form blogs. Launched in 2007 by David Karp and headquartered in New York, the platform allows users to follow other blogs and manage their own blogs' privacy settings. Users can effortlessly share a variety of content, including text, photos, quotes, links, music, and videos, accessible through a user-friendly dashboard interface. Tumblr has become a vibrant media network, supported by a diverse community of independent creators and attracting over 400 million unique visitors. The platform was acquired by Yahoo in 2013, enhancing its reach and capabilities in the digital space.

Twitter

Series A in 2007
Twitter is a social networking platform that enables users to send and read short messages, known as "tweets," with a character limit of 280. Launched in 2006, Twitter has grown into a global real-time communications platform, attracting more than 400 million monthly visitors and 255 million active users. The platform serves a diverse user base that includes world leaders, athletes, news organizations, and entertainment figures, and is accessible in over 35 languages. Users can interact with the platform through various means, including web browsers, SMS, and mobile applications. Headquartered in San Francisco, California, Twitter also maintains numerous local offices across the United States and several international offices in major cities around the world.

Clickable

Series A in 2007
Clickable, Inc. is a technology company that specializes in sales and marketing ROI reporting and automation solutions. Acquired by Brand Networks in 2019, Clickable offers a platform designed to track marketing ROI throughout the customer lifecycle, from audience activation to retention and advocacy. The platform integrates data from various sources, including social media, customer relationship management (CRM) systems, and marketing analytics, to create a customizable business intelligence dashboard. This enables marketers and advertisers to visualize and analyze data effectively, facilitating informed decisions regarding marketing placements and spending. Clickable serves a diverse client base, ranging from Fortune 50 companies to mid-market agencies, and aims to streamline the process of managing search and social advertising campaigns. Established in 2006 and headquartered in San Francisco, Clickable has undergone significant transitions, including previous ownership by LookSmart and substantial investments to enhance its data infrastructure.

AdaptiveBlue

Series A in 2007
AdaptiveBlue is the company that develops GetGlue, a leading social entertainment network. GetGlue users check-in while consuming entertainment to connect with friends, get personalized recommendations, and earn exclusive rewards from more than 25 top entertainment companies. AdaptiveBlue is based in New York and has 15 employees.
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