<http://schema.org/description>
"Facebook is currently holding a media event where it just announced its Open Graph program which has begun life with an initial 60 developer partners.\r\n\r\nThrough the partners, Facebook ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/facebook/2012/01/19/this-is-the-full-list-of-apps-included-in-facebooks-latest-open-graph-update/>