<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/768x516/54cac40daba71_-_tablet-comparison-04-0511-xl.jpg>
<http://www.popularmechanics.com/technology/gadgets/reviews/g540/new-tablet-side-by-side-comparison/>