<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/640x400/54cfd47b27e12_-_george-yu-02-0713-de.jpg>
<http://www.popularmechanics.com/technology/gear/a9288/node-creator-george-yu-wants-to-give-you-super-vision-15750472/>