<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/480x360/54caf912af7ff_-_bluetooth-gadgets-07-1012-de.jpg>
<http://www.popularmechanics.com/technology/gadgets/reviews/g941/10-bluetooth-devices-for-everyday-life/>