<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54fea4e59653f-0911-microfiber-cloth-and-electronics-cleaning-brush-xl.jpg>
<http://www.goodhousekeeping.com/home/organizing/tips/a18327/solve-computer-problems/>