<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/54eacf460de6d_-_02-slumbersleeve-worst-stupidest-inventions-1.jpg>
<http://www.womansday.com/life/a1746/9-seriously-silly-inventions-109119/>