<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x368/54c82e64ac360_-_string_trimmers_03_0506-xl-95236197.jpg>
<http://www.popularmechanics.com/home/tools/reviews/g66/2696256/>