Network World
http://www.networkworld.com/news/2009/061109-how-facebook-and-twitter-are.html
But people also ask for photos or videos to be removed from social networking sites, says Deirdre Mulligan, a lawyer and former law professor who is now assistant professor at the University of California at Berkeley School of Information. Individuals and communities have balked at the way Google Maps’ Street View exposes location information. Meanwhile, a 2008 Harris Interactive poll found that 60 percent of Americans were uneasy about having Web content customized for them based on their usage patterns.