<http://schema.org/description>
"T. and F. They don\u2019t stand for \u2018true\u2019 or \u2018false\u2019 anymore. They stand for Twitter and Facebook. They\u2019re in the corner of every webpage we visit, alongside \u2018in\u2019 for LinkedIn, ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/socialmedia/2011/06/11/the-science-of-sharing/screen-shot-2011-06-10-at-12-23-04-pm/>