<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/160x120/54cad73699c21_-_med-apps-03-102411-mdn.jpg>
<http://www.popularmechanics.com/science/health/g669/dr-smartphone-5-ways-your-phone-can-diagnose-you/>