<http://schema.org/topics>
"12 seconds,15 seconds,micro sharing,microvideo,news,qik,seesmic,Startups,viddler,Video,video sharing,videoblogging,vlog,web,web 2.0"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2008/09/10/viddlers-15seconds/>