SMS Gupshup (meaning chit chat in punjabi) : a mobile community platform in India

A simple, but very powerful idea. 

Interview with the founder,  Beerud Shah.

http://www.youtube.com/watch?v=DZeWegM4sZU

One of the many articles on Gupshup. 

http://www.siliconindia.com/shownews/SMS_GupShup_receives_11_Million_funding-nid-47428.html