<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://mac.h-cdn.co/assets/cm/14/50/160x208/5487c757c0265_-_gadget-warranty-0908-md.jpg>
<http://www.marieclaire.com/career-advice/advice/g465/how-to-negotiate/>