<http://schema.org/description>
"NASA might not be the first thing you think of when it comes to playing games on Facebook, but the space agency has dipped its toe into uncharted territory yet again today.\r\n\r\nIf you're ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apps/2012/01/30/nasa-launches-multi-player-facebook-game-space-race-blastoff/>