<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/54cfd47ba16ab_-_george-yu-01-0713-mdn.jpg>
<http://www.popularmechanics.com/technology/gear/a9288/node-creator-george-yu-wants-to-give-you-super-vision-15750472/>