<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54ffb8b50440f-imbcw-2.jpg>
<http://www.goodhousekeeping.com/institute/a22955/ipad-and-iphone-accessories/?src=shelter_footer>