<http://schema.org/topics>
"CBS,DEMOfall 08,Facebook,iwidgets,MySpace,news,San Diego,San Francisco-San Jose,social networking,Startups,Television,Video,web,web 2.0,Web Apps,widgets"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2008/09/08/iwidgets-cbs/>