<http://schema.org/topics>
"CES 2011,ces2011,Health &amp; Fitness,Gadgets,Nordic Track,Panasonic Viera Connect,Tech,Treadmill. Fitness,Virtual Running"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2011/01/12/virtual-run-feels-rea/?+technology,+technology>