<http://schema.org/description>
"Google on Thursday announced three new features for YouTube publishers: the ability to upload public videos that won't set off subscriber notifications, custom thumbnails that can be ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/google/2012/11/02/youtube-improves-upload-process-with-optional-notifications-and-new-tags-editor/?awesm=tnw.to_hI6W>