<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/25/53a0a5789e5c9_-_ustv_friends_cast_then_and_now_11.jpg>
<http://www.cosmopolitan.com/entertainment/news/a14456/lisa-kudrow-im-too-old-for-friends-reunion/>