What would happen if just 1% of the time our nation spends watching television were spent instead on creating social network content? In his Web 2.0 keynote, Clay Shirky discusses the approximately 100 million hours spent developing all of Wikipedia. This is the same amount of time that people in the U.S. spend, each and every week-end, watching just the advertisements on television. See Clay Shirky‘s conjectures on how we are beginning to shift the uses of surplus time in the U.S.