Sms to be used for research and advertising

Txteagle

The idea is about compensating consumers in developing nations with prepaid mobile airtime for participating in surveys or branded advertising campaigns.

Discover, engage and motivate emerging market consumers by leveraging txteagle's community of 2.1 billion people, proprietary mobile messaging protocols and airtime compensation platform.

http://mashable.com/2011/04/13/txteagle/