Gram Vaani [meaning 'voice of the village'] is a social tech company based at IIT-Delhi. Their objective is to reverse the flow of information, that is, to make it bottom-up instead of top-down, by helping connect communities with companies/governments/dev agencies. Using simple technologies and social context to design tools, Gram Vaani has been able to impact communities- more than 2 million users in over 15 Indian States, Afghanistan, Pakistan, Namibia and South Africa.