<http://schema.org/description>
"Human, the app that set out with a goal of getting people moving for 30 minutes or more every day, has launched a visualization tool which allows you to see what activities people around ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apps/2014/07/02/humans-new-city-visualization-tool-shows-popular-activities-around-world/>