<http://schema.org/topics>
"al jazeera,france 24,iPhone,iPhone Resource Lists,Lists,live video,MLB,nettv,pga,Television,tv 2 sporten,tvuplayer,Video,worldview live"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2009/08/08/iphone-live-tv/>