<http://schema.org/about>
"NADAguides is a vehicle information website where customers can go to look up car prices and specifications. They have released some statistics on what their users are looking for, and apparently the interest in compact cars has increased by 96%"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/cars/compacts-and-hybrid-cars-becoming-more-popular-in-the-usa.html>