<http://schema.org/topics>
"Apple,design,Dev &amp; Design,Gadgets,iPhone 5,Mobile,mockups,Tech,trending,Uncategorized"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2012/02/23/iphone-5-mockups-2/?WT.mc_id=en_design>