<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54fec6d7b8817-0313-weight-loss-tracker-msc.jpg>
<http://www.goodhousekeeping.com/health-products/health-tracker-reviews/a19353/best-fitness-trackers/?src=shelter_footer>