<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/16/10/1457722274-10670263-217034285155347-1897403619991829998-n.jpg>
<http://www.redbookmag.com/life/news/a44510/jaxon-strong-foundation/>