Joost's biggest problem: http://www.joost.com/whatson/ http://www.joost.com/whatson/ The networks have their own video services, and those that don't are suppl

Joost's biggest problem: http://www.joost.com/whatson/ http://www.joost.com/whatson/ The networks have their own video services, and those that don't are supplemented by people streaming their TVs for others with Justin.tv and sopcast and other p2p apps.