Aki Ross was named #87 on Maxim Magazine's "Hot 100" list for 2001, and was featured on the cover of the supplemental insert. She is the only nonexistent person to date to make that list.
All backgrounds are hand painted.
The first computer-generated animated motion picture with photo-realistic characters.
Dr. Aki Ross' hair is only half as dense as the average human crop; however, that still left 60,000 strands to put realistically into motion. When designing the computer graphics, a fifth of the time spent was devoted to those 60,000 hairs.
The total production time on the film was over four years. By the time the final shots were rendered, some of the earlier ones had to be redone because they didn't match anymore. Also, the software used to create them had become more advanced (and hence more detail was possible).