<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://digitalspyuk.cdnds.net/11/47/618x270_video_games_shelf.jpg>
<http://www.digitalspy.com/gaming/playstation-4/news/a448590/ps4-pre-owned-games-block-rumour-impacts-gamestop-shares/>