<http://schema.org/about>
"Ever wondered what to do with the endless amount of energy your child seems to possess at all the wrong times? Well, how about considering a new line of toys that uses an LED and has batteries that are constantly recharged by your own child's"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/culture/see-toys-taps-into-local-renewable-energy-source-kids-everywhere.html>