<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/54cfbf221f3c4_-_atmswipe_470-0509-de.jpg>
<http://www.popularmechanics.com/technology/security/how-to/a4255/4317274/>