<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbu.h-cdn.co/assets/cm/15/04/640x480/54c1608c79a81_-_wine-charm-binder-tulzz7-de.jpg>
<http://www.housebeautiful.com/lifestyle/organizing-tips/news/g1801/binder-clip-hacks-goodhousekeeping/>