<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54ca671f8baef_-_mac-vs-pc-06-1111-xln.jpg>
<http://www.popularmechanics.com/technology/gadgets/reviews/g171/mac-vs-pc-ultimate-laptop-lab-test/>