The “Internet” of the developing world: using GSM networks to secure information

Ashifi Gogo, a Schweitzer Fellow at Dartmouth College, discusses mobile communications in the developing world - system architectures that provide levels of security analogous to well-known standards for internet transactions, and innovations in use of mobile networks for public services.

http://blogs.law.harvard.edu/mediaberkman/2009/02/25/the-internet-of-the-developing-world-using-gsm-networks-to-secure-information-audio/