<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/54eabc09d8ef5_-_04-the-best-time-to-save-money-saving-electronics-1.jpg>
<http://www.womansday.com/life/work-money/tips/a1470/the-best-times-to-save-on-everything-105660/>