"Social networking sites are a product and a cause of a society that is self-absorbed," Campbell said. "Narcissism and self-esteem began to rise in the 1980s. Because Facebook came on the scene only seven years ago, it wasn't the original cause of the increases. It may be just another enforcer."
MORE: http://www.sciencedaily.com/releases/2012/06/120626115241.htm
See also...
Social Media Powers Youth Participation in Politics
http://www.sciencedaily.com/releases/2012/06/120626121043.htm
