<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54ca7cf7a6103_-_09-ces-flatwire-470-0109-de-13969619.jpg>
<http://www.popularmechanics.com/technology/gadgets/reviews/a3866/4298595/>