<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54ff39fddd6d9-ghk-google-plus-circle-editor.jpg>
<http://www.goodhousekeeping.com/institute/a21446/google-plus-hands-on-review/?src=shelter_footer>