<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cb28cb2c93a_-_flappybird-03-0214-lgn.jpg>
<http://www.popularmechanics.com/culture/gaming/g1438/10-time-wasting-games-to-fill-the-flappy-bird-void/>