<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/480x552/54fe51bf6d35f-0213-nike-kinect-training-xl.jpg>
<http://www.goodhousekeeping.com/electronics/video-game-reviews/g31/best-fitness-video-games/>