<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54cb1bfe7b68a_-_maker-nyc-02-0913-de.jpg>
<http://www.popularmechanics.com/technology/design/g1298/7-builds-we-love-from-world-maker-faire-new-york-2013/>