http://en.wikipedia.org/wiki/Motion_Picture_Association_of_America_film_rating_system#X_is_replaced_by_NC-17 http://en.wikipedia.org/wiki/Motion_Picture_Associa

http://en.wikipedia.org/wiki/Motion_Picture_Association_of_America_film_rating_system#X_is_replaced_by_NC-17 http://en.wikipedia.org/wiki/Motion_Picture_Association_of_A...