PART 2 - FOUR HIDDEN CHIMNEYS CHAPTER 8: THE SHIELD OF SCREWTAPE Heavier Signs of Developer Relations

"The 1984 Macintosh launch polarized personal-computer users into identifiable PC and Macintosh camps."

Direct source - Jonathan Rotenberg, Computer History Museum. The history explicitly describes Macintosh as polarizing personal-computer users into divergent PC Pragmatist and Macintosh Visionary camps.

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