<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/480x360/54cfd56a8276f_-_bta-products-04-1013-lgn.jpg>
<http://www.popularmechanics.com/technology/gadgets/g1319/the-10-breakthrough-products-of-2013/>