Abstract

Over the past few years, there has been an explosion of social networking, which has reinvented communication as we know it- creating new opportunities to develop friendships and business contacts all over the world. According to comScore, today, Facebook is the 4th largest U.S. web property in audience size with 157.2 million visitors in May 2011, representing its all-time high and a gain of 3.2 million visitors vs. the previous month. Linkedin.com (33.4 million visitors) and Twitter.com (27.0 million) also reached all-time U.S. audience highs in May 2011.