<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/640x320/54fec6d854e7f-0313-calorie-wrist-band-xl.jpg>
<http://www.goodhousekeeping.com/health-products/health-tracker-reviews/a19353/best-fitness-trackers/?src=shelter_footer>