<http://schema.org/topics>
"Apps and Software,Business,Digital Media Resources,Facebook,features,features roundup,Home,Lifestyle,Marketing,Mobile,Social Media,Tech,Twitter,Uncategorized,Work &amp;amp; Play,YouTube"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2013/03/23/digital-media-resources-3-22/>