Isolating the SMASH Variable.

Benjamin butto TED talk
Before the movie call "The curious case of the benjamin button", I did not know how did they make the old man's face gets younger and younger over times. Now I know the thing behind.
Movie maker used a scientific method to make benjamin button's face and some variable shapes of body. The main character Brad Pete (Benjamin) acted from an old man to a young man.
How did he acted like that ?? What's the behind story ?
First of all they took aspect of Brad Pete, He made different emotions of the face, and they took the picture. Next they have to do something that are required, such as lighting, put the body shape of Brad Pete, and used a computer graphic. Next put the shapes into an old man's face. As the old man grows, the body shapes and everything changed, and Brad Pete should follow every single steps.
These are how the curious case of the benjamin button created.