<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/480x360/54cfc6228b412_-_04-air-hogs-razor-470-0509-lgn.jpg>
<http://www.popularmechanics.com/technology/g241/4319268/>