<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x240/54cb290300271_-_v-day-gadgets-02-0214-de.jpg>
<http://www.popularmechanics.com/technology/gadgets/reviews/g1436/5-gadgets-for-a-red-hot-valentines-day/>