<http://schema.org/topics>
"Advertising,american express,aziz ansari,Business,Celebrities,humor,trending,Television,Uncategorized"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2012/03/28/aziz-ansari-first-date-is-a-fail-in-american-expresss-first-sync-tv-ad-video/>