Back in the beginning there was lots of talk of "toasters" as an appliance every household has and even a child can use (to the point there was a famous screensaver of flying toasters).
The Mac 512, Plus, and SE were embodiments of this. (The Apple //c with LCD attachment and carry handle was an earlier attempt.) Note that all of those included portability as a feature, while the all-in-one Macs (not the Apple //c) emphasized usability by non-tech and non-tech job people. Their spiritual successor is the last 3 years of iPad Pro w/ magnetic magic keyboard/stand.
It's pretty clear there's only a relatively short period of time the hobby shop and hackers are "changing the world", while the real shift comes when "everyone" can access and leverage the new tech (like a toaster, or fluoride in water).
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* There's another subtle difference between "bicycles for the mind" and "a computer on every desk and in every home." One of those is vendor centric, the other is user outcome space.