<http://schema.org/description>
"Despite efforts to win back its once loyal users, Flickr has not managed to satisfy many of the evolving needs of professional photographers. Now, yet another blow has been dealt: photo ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apps/2012/11/16/more-reasons-not-to-use-flickr-anymore-500px-adds-creative-commons-licensing/>