<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/640x320/54cb367e5a944_-_pmamtwitch-0514-de.jpg>
<http://www.popularmechanics.com/technology/a10537/pmam-google-eyes-twitch-16807680/>