<http://schema.org/description>
"SlideShare.net is the world's largest online community for sharing presentations with more than 50 million monthly visitors, helping to make it rank amongst the 250 most visited websites ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/lifehacks/2011/04/15/how-to-get-the-most-out-of-slideshare/>