Between the three, Facebook is literally everyone I've ever shaken hands with at a conference or kissed on the cheek at Easter. Twitter seems to be everyone I am entertained by or I wish to meet some day. Foursquare seems… — Dennis Crowley Copy Share Image
Social networking sites like Myspace, Friendster, and Facebook have literally exploded in popularity in just a few short years. — Mike Fitzpatrick Copy Share Image
