<http://schema.org/topics>
"2012,Advertising,amazon,Android,Apps and Software,eric schmidt,Google,google music,google wallet,kindle fire,larry page,Media,Mobile,Sergey Brin,Tech,trending,Uncategorized"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2012/01/02/google-big-moves-2012/>