<http://schema.org/topics>
"Business,daily deals,funding,groupon,Kleiner Perkins Caufield &amp;amp; Byers,Moms,Plum District,Startups"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2011/01/26/plum-district-raises-8-5-million/>