<http://schema.org/description>
"Social media brand monitoring platform, Simplify360,\u00A0explored the relationship between the number of\u00A0Facebook fans and engagement level to reveal that on an average, each new post ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/facebook/2011/05/17/1-million-facebook-fans-brings-in-an-average-of-826-likes-and-309-comments-per-post/>