<http://schema.org/description>
"You might remember back in January when we brought up the question of Facebook getting into the comments platform game. Though the idea made sense at the time, and we had the evidence ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/facebook/2011/03/01/facebooks-comments-platform-the-pros-and-cons/>