<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/480x360/54cfd66aed4ba_-_weird-fitness-04-0214-de.jpg>
<http://www.popularmechanics.com/adventure/sports/g1440/8-weird-gadgets-to-geek-out-your-workout/>