<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/480x552/54fefb715d664-0212-vip-nest-learning-thermostat-xl.jpg>
<http://www.goodhousekeeping.com/institute/g400/innovative-products-awards-2012/>