<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/320x240/54cfd87f07d93_-_nfl-tech-04-0814-lgn.jpg>
<http://www.popularmechanics.com/adventure/sports/g1603/5-technologies-that-will-shape-the-2014-nfl-season/>