<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/320x240/54cfd66abfa9d_-_weird-fitness-03-0214-de.jpg>
<http://www.popularmechanics.com/adventure/sports/g1440/8-weird-gadgets-to-geek-out-your-workout/>