<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/15/46/980x490/landscape-1447447653-screen-shot-2015-11-13-at-30335-pm.png>
<http://www.redbookmag.com/home/g617/organizing-ideas/>