<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/54cfb885da20b_-_scientific-atlanta-8000hd-0607-de.jpg>
<http://www.popularmechanics.com/culture/tv/how-to/a1650/4216631/>