<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/15/05/nrm_1422567936-mac-vs-pc-02-1111-mdn.jpg>
<http://www.popularmechanics.com/technology/gadgets/reviews/g171/mac-vs-pc-ultimate-laptop-lab-test/>