<http://schema.org/topics>
"animals,cats,features,gallery,humor,Uncategorized,Video,Videos,Watercooler"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2012/10/31/youtube-cats-doors/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+mashable%2Fvideo+%28Mashable+%C2%BB+Web+Video%29>