<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cosmouk.cdnds.net/14/41/640x320/placeholder_1412868084-sheldon-the-big-bang-theory-.gif>
<http://www.cosmopolitan.co.uk/reports/news/a30297/how-much-does-google-actually-know-about-you/>