http://cdn.conversationsnetwork.org/ITC.ecomm-JonathanChristensen-2008.03.12.mp3 Jonathan Christensen - Ten Years of Internet Communications http://feeds.conversationsnetwork.org/~r/channel/itc/~3/335541460/detail3634.html 2008-07-13 http://assets.conversationsnetwork.org/channels/ITConversations/itc-300x300.jpg