Watch Batman Begins.
The "W" logo on the Wayne tower is actually the logo for Indiana University.
The producer (whose name I forget) is an Indiana alumni. He came and spoke there last year and said this.
During the funeral of Bruce's parents when several cars are parking in front of the Wayne mansion Rachel's mother's car has a licence plate with 420 as the first 3 numbers. In the next scene, in Bruce's room the wallpaper has a pattern that closely ressembles... more