<http://schema.org/description>
"Social networks rule the digital universe these days, but it doesn\u2019t make sense for every site. While there are many reasons why a website doesn't have social features, other silly ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/socialmedia/2011/05/27/5-websites-that-need-to-get-social/>