<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbu.h-cdn.co/assets/cm/15/04/1280x720/54c0ffcfa2643_-_04-hbx-wren-speakers-0913-s2.jpg>
<http://www.housebeautiful.com/shopping/home-gadgets/tips/g1477/stylish-speakers-and-headphones-0913/>