<http://schema.org/about>
"We're often talking about the energy efficiency of e-readers. And e-books are becoming ever more the medium of choice for fast and easy access to materials. Google sees this, and wants in on the market. However, their set-up may take the energy"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-technology/google-looking-to-be-the-next-e-book-outlet.html>