<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbu.h-cdn.co/assets/cm/15/04/980x551/54c0ffcebbfb0_-_01-hbx-pure-colorful-speakers-0913-s2.jpg>
<http://www.housebeautiful.com/shopping/home-gadgets/tips/g1477/stylish-speakers-and-headphones-0913/>