<http://schema.org/topics>
"Advertising,amazon,amazon kindle,Apple Tablet,apps,Business,contributor,e-readers,ereaders,features,Gadgets,iPad,journalism,kindle,Media Lists,Mobile,news,publishing,subscriptions,tablets"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2010/02/18/e-readers-tablets-news/>