<http://schema.org/description>
"Url shortening announcements are like buses. You wait for ages then three come along at once. We have already brought you news of Google's url shortening service and the Facebook solution, ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/2009/12/15/bitly-announces-pro-url-shortening-service/>