<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/160x213/54cfcea2f2b9a_-_locators-9-1010-md.jpg>
<http://www.popularmechanics.com/technology/gear/reviews/g406/personal-locator-beacons-gallery/>