<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/480x552/54ff99a5e1106-ghk-aylio-loop-bands-2-xln.jpg>
<http://www.goodhousekeeping.com/health-products/g1636/motivating-exercise-products/?src=shelter_footer>