<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/50/640x430/548a47fd9b27b_-_swingers-0112-2-xl.jpg>
<http://www.redbookmag.com/love-sex/relationships/advice/a13224/happy-swinger-couples/>