<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/25/539fda899007c_-_cos-02-group-work-de.jpg>
<http://www.cosmopolitan.com/career/advice/g3006/get-in-the-zone-at-work/>