<http://schema.org/description>
"Speaking on stage at LeWeb 2011, Joanna Shields, VP &amp;amp;amp; Marketing Director EMEA at Facebook announced that the world's largest social network is to launch a new Subscribe button ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/facebook/2011/12/07/facebook-to-launch-a-subscribe-button-for-websites-imminently/>