<http://schema.org/topics>
"envoy medical,esteem implant,Gadgets,Social Media,trending,Uncategorized,Video,Viral Video of the Day,YouTube"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2011/09/30/sloan-churman-deaf-hears-voice/?WT.mc_id=en_my_stories>