<http://schema.org/description>
"With over 3 billion YouTube videos watched every single day and 48 hours of footage uploaded every single minute to the world\u2019s most popular video sharing website we wanted to produce ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/socialmedia/2011/06/09/20-slick-youtube-tips-and-tricks-you-need-to-know/>