<http://schema.org/description>
"If you've ever considered yourself to be an expert at something, to the point that you could teach someone else, chances are you've thought about ways that you could make a buck or ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apps/2012/03/19/liveninja-expert-advice-webcam/>