<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/640x320/54cadf95e77c8_-_digital-spies-012412-de.jpg>
<http://www.popularmechanics.com/technology/security/how-to/a7413/whos-spying-on-whom-a-map-of-digital-subterfuge/>