<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x426/54cb232e41613_-_holiday-headphones-02-1213-de.jpg>
<http://www.popularmechanics.com/technology/gadgets/reviews/g1368/5-ho-ho-headphones-for-the-holidays/>