A case study in crisis info crowdsourcing: Ushahidi (06:25-13:16)
Connecting cellphones to the web to report violence, election fraud (13:17-17:55)
Can these technologies be turned against the crowds? (17:55-20:31)
Tech companies criticized for aiding repressive regimes (25:36-28:14)
Can Twitter bring down a regime? (28:18-36:00)


























Posted: December 19




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