This is a absolutely masterful stroke of genius by Paul Thomas Anderson the writer/director of this movie. It really examines the pluses and minuses of the world of porn and consequences for your actions living in a world literally fueled by sex, drugs, and rock n' roll. Only of the finest casts assembled with Mark Wahlberg, Burt Reynolds, Heather Graham, Julianne Moore, William H. Macy, Philip Seymour Hoffman, Don Cheadle, Philip Baker Hall, and others.