<http://schema.org/about>
"When it comes to parking, it pays to ride a bike. Usually  you can lock it on to any tree or post without concern about finding a \"parking spot.\" But if you have to drive somewhere, especially in a crowded place, you could be"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/cars/ispotswap-iphone-app-find-parking-fast-switch-spots-with-other-drivers.html>