This document discusses the history of Apple Inc. over several decades from its founding in 1976 to the 20th anniversary of the Macintosh in 1996. It describes early Apple products like the Mouse and the original Macintosh, which introduced the graphical user interface. It also profiles influential laptop models like the PowerBook 150 and mentions how Apple commemorated the 20th anniversary of the Macintosh. The document is written in Japanese.