<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbu.h-cdn.co/assets/cm/15/04/320x426/54c1608e1a3d4_-_razor-binder-1n80ve-de.jpg>
<http://www.housebeautiful.com/lifestyle/organizing-tips/news/g1801/binder-clip-hacks-goodhousekeeping/>