http://cdn.conversationsnetwork.org/ITC.Ecomm-NathanEagle-2008.03.14.mp3 Nathan Eagle - Inference in Complex Social Systems http://feeds.conversationsnetwork.org/~r/channel/itc/~3/vcLZXO3YW_A/detail3874.html 2009-04-05 http://assets.conversationsnetwork.org/channels/ITConversations/itc-300x300.jpg