<http://schema.org/topics>
"CES,CES 2013,Health &amp; Fitness,fuelband,Gadgets,Health &amp; Fitness,Nike+ FuelBand,Tech,Uncategorized"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2013/01/06/ces-nike-fuelband/>