90s references in MMatCotP I (1)

In the scene when Jeremy, Minnie, and Donald are talking about calling a Psychic to help their "Poltergeist Snatch Carol Ann & Mickey" problem, you can see Goofy typing on a PowerBook 500 laptop.

FACTS:
the PowerBook 500 laptop was introduced by Apple on May 16, 1994, with the high-end active matrix LCD PowerBook 540c and 540, with the passive matrix 520c and 520 soon after.