<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cb14fae7186_-_too-soon-gadgets-04-1218-lgn.jpg>
<http://www.popularmechanics.com/technology/gadgets/reviews/g1234/10-gadgets-ahead-of-their-time/?click=pp>