<http://schema.org/about>
"Got a kid crazy for lacrosse, bonkers over baseball, or stuck on skiing? Here's what it'll run you (and a few ways to save some dough)."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/family/family-activities/stories/the-high-cost-of-kids-sports-infographic>