<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/640x320/54cb3d135db18_-_old-tools-01-0614-de.jpg>
<http://www.popularmechanics.com/home/tools/reviews/a10746/when-good-tools-die-young-16930312/>