<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/640x400/54cb057b3dc3c_-_oculus-rift-02-0113-de.jpg>
<http://www.popularmechanics.com/culture/gaming/a8617/eyeballs-on-with-the-oculus-rift-14977992/>