<http://schema.org/topics>
"Business,features,features roundup,Jobs,Lifestyle,Marketing,Small Business,Social Media,Tech,Travel,Travel &amp; Leisure,Twitter,Uncategorized,Work &amp;amp; Play"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2013/10/21/digital-media-resources-91/>