<http://schema.org/topics>
"2012 election,2012 presidential campaign,features,Media,Politics,Twitter,Uncategorized,U.S.,World"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2012/01/25/election-digital-media/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Mashable+%28Mashable%29>