<http://schema.org/topics>
"accessories,cycling,features,Gadgets,health and fitness,Health &amp; Fitness,iPhone,Lifestyle,Mobile,Sports,Travel,Travel &amp; Leisure,trending,Uncategorized"^^<http://www.w3.org/2001/XMLSchema#string>
<http://mashable.com/2012/08/27/iphone-bike-mounts/>