This is a great video that talks about how they made Benjamin Button. To my surprise, they didn't use make-up. The face of the "old" Brad Pitt is computer generated. This video reminded me of a conversation I had with my teacher from high school. We were talking about the fact that soon Hollywood won't need actors. I think this is a step in that direction.
 http://www.ted.com/talks/ed_ulbrich_shows_how_benjamin_button_got_his_face.html







