<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cb19ebe09f0_-_beer-tech-06-0813-de.jpg>
<http://www.popularmechanics.com/technology/gadgets/g1296/8-easy-drinking-gadgets-for-the-beer-enthusiast/>