<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/480x360/54fefee1c6cef-ghk-microsoft-windows-8-lgn.jpg>
<http://www.goodhousekeeping.com/electronics/g451/top-tech-trends-2012/>