<http://schema.org/topics>
"Apps and Software,Dev &amp; Design,Gadgets,Health &amp; Fitness,medical,Mobile,smart glasses,Tech,Uncategorized,Wearable Tech"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2013/11/20/these-smart-glasses-can-see-your-veins/>