<http://schema.org/description>
"UPDATE: Want more advanced Twitter Tips?We're having loads of fun over on Twitter. I've blogged about it before and how it's a conversation starter, a message ... ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.hanselman.com/blog/HowToTwitterFirstStepsAndATwitterGlossary.aspx>