So, you discuss movies with your pal and at some point praise a film that has been your favorite since you remember yourself. The pal remarks that while he likes the movie too, the book is much better. Wait -- there was a book!? Adaptation Displacement is the phenomenon where a Derivative Works becomes successful enough to totally displace the original in the minds of the public. In ongoing media, surrender to Adaptation Displacement can result in Ret Canon and Lost in Imitation. Examples of Adaptation Displacement include: