<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/25/53a0468cab49a_-_cos-02-sheryl-sandberg-md.jpg>
<http://www.cosmopolitan.com/career/advice/a4255/sheryl-sandberg-lean-in-book-excerpt/?src=global_footer>