<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://www.popularmechanics.com/adventure/sports/g574/5-personal-sport-technologies-to-help-you-get-stronger-faster-and-better/>
<http://www.popularmechanics.com/adventure/sports/g574/5-personal-sport-technologies-to-help-you-get-stronger-faster-and-better/>