<http://schema.org/description>
"Whenever the question of which social network dominates the landscape is raised, it seems as if the same two or three major players are the only sites that ever earn a mention. If you\u2019re ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/socialmedia/2012/05/17/sure-facebook-has-900-million-users-but-its-engagement-is-smoked-by-these-other-sites/>