<http://schema.org/description>
"Google launched +1 this week, the\u00A0next evolution of its Social Search. +1 is akin to Facebook\u2019s \u201CLike\u201D button or Twitter\u2019s \u201CTweet this,\u201D allowing Google users to share ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/google/2011/04/01/what-challenges-does-googles-1-face-we-ask-an-expert/>