[youtube http://www.youtube.com/watch?v=5W8K9SMI9Fk?wmode=transparent&autohide=1&egm=0&hd=1&iv_load_policy=3&modestbranding=1&rel=0&showinfo=0&showsearch=0&w=500&h=374]

It seems Jerry Seinfeld put his finger on why social media is important to many people. (Source: this site). Spot on though and funny.