<http://schema.org/topics>
"Dev &amp; Design,Gadgets,iPhone,Mobile,Photography,Shapeways,siri,Tech,trending,Uncategorized,Watercooler"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2012/03/30/siri-iphone-case/?utm_source=dlvr.it&utm_medium=tumblr>