<http://schema.org/description>
"You might remember that some time ago Apple launched its first attempt at a social network with &amp;quot;Ping&amp;quot;.  When it launched, many thought this would be a perfect spot for Apple ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apple/2012/02/07/apple-utilizes-facebooks-platform-pretty-well-even-though-theyre-not-partners/>