Not sure, apparently from here:

https://archive.org/details/bitsavers_DECProfesslV09N03199003_160629183/page/53/mode/1up

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I expected it to be from some science fiction magazine or book, not from a computer company ad. Maybe it really felt like science fiction back in the day, all this new personal computing, ever increasing in power.

Oh, it is not even personal computing! It is office stuff.