<http://schema.org/description>
"Popular site and Twitter account BreakingNews has tinkered with using StumbleUpon to submit its articles, and has announced the creation of an official StumbleUpon &amp;quot;Channel&amp;quot; ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apps/2011/12/13/breakingnews-becomes-first-curated-stumbleupon-channel/>