<http://schema.org/description>
"One of the most intriguing products unveiled at last year's Techonomy conference in Tel Aviv, Israel, was TvTak - an app that invites you to hold your phone's camera up to the TV screen, ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apps/2012/02/24/tvtak-identifies-the-tv-shows-you-watch-using-video-recognition/>