<http://schema.org/about>
"I usually write about footwear, but this event is noticeably about a lack thereof: This weekend, barefoot runners will take to the streets for the inaugural New York City Barefoot Run, sponsored by"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/sustainable-fashion/toss-sneakers-run-barefoot-in-new-york-this-weekend.html>