http://video.ted.com/talks/podcast/audio/ErikHersman_2009U.mp3 TEDTalks : How texting and GoogleMaps helped Kenyans survive crisis - Erik Hersman (2009) http://feedproxy.google.com/~r/tedtalks_audio/~3/VhsGnxnMqbQ/523 2009-04-21 http://www.odeo.com/uploads/0007/5290/serial_109709_medium.png