<http://schema.org/description>
"While many people already play around with their mobile phones or tablets while watching TV, perhaps following discussion about the show on Twitter, the BBC is doing some fascinating ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/media/2011/09/29/the-bbc-project-that-could-make-tv-a-lot-more-interactive/>