<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/768x516/54ff85bce7db4-ghk-garmin-vivofit-xl.jpg>
<http://www.goodhousekeeping.com/health-products/health-tracker-reviews/g1502/ces-2014-health-trackers/>