<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/980x550/54fe4ff6e4371-terrafugia-flying-car-s2.jpg>
<http://www.goodhousekeeping.com/institute/g48/craziest-product-news-2013/>