<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbu.h-cdn.co/assets/cm/15/04/980x551/54c0aa0855e99_-_06-hbx-philips-hue-bulbs-0313-s2.jpg>
<http://www.housebeautiful.com/shopping/home-gadgets/tips/g1361/clever-gadgets-0313/>