<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x240/54cb3bcab04d5_-_googleioprep-02-0614-de.jpg>
<http://www.popularmechanics.com/technology/gadgets/g1550/7-things-we-hope-to-hear-at-google-io/>