12/16 Motley " FB NOT Only Dominant Over GOOG, LNKD, FACEBOOK IS THE MONOPOLY" **link**
Motley Fool Article " Facebook Is a Long Term Buy" By: Ishaque Farur 12/16/12
8) Lack of Formidable Competitors: Facebook has a number of competitors in the social media space globally, such as Google+, Linkedin, Sohu, Orkut, Twitter, Tumblr, etc. But all of these competitors have two things in common, they don't even come close to Facebook's 1.01 billion monthly active users, and the users on those sites don't spend much time in those sites, i.e. little user engagement. In other words, Facebook is not only a dominant player in its space, it is a monopoly.