<http://schema.org/about>
"From your laptop to your mobile phone to your trusty iPod, there's no doubt most of us rely on lithium-ion batteries each and every day.  We think they are great, powering some of our favorite rechargeable gizmos and are well on their way to powering a"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/gadgets/eco-tip-make-your-lithium-batteries-last.html>