<http://schema.org/description>
"Twitter has become a popular political tool, allowing those in power to release short statements, commentary, and interact with the common folk. In the United States, where the service ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/twitter/2013/01/18/twitter-100-of-the-senate-90-of-the-house-are-active-on-twitter/>