<http://schema.org/description>
"During TNW2011 we will be monitoring what people say about the event online. We always do that and have been doing it since we did our first conference, when Twitter didn't even exist ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/eu/2011/04/26/the-tools-we-use-to-track-online-buzz/>