<http://schema.org/description>
"In October 2009, after 2.5 years of using Twitter every day, I wrote a piece that explained the limits of Twitter that we'll have to look past Twitter to see solved, because Twitter ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/socialmedia/2010/02/09/features-twitterkilling/>