<http://schema.org/description>
"In October 2007, Facebook had a mere 20 million U.S. users. Today, it has over 500 million, 146  million of which are in the U.S.\r\n\r\nThe following data, visualized by Washington D.C.'s ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/facebook/2011/01/04/facebook-users-by-the-numbers-measuring-sex-drugs-and-gays-in-the-military/>