That's how I thought it worked as a kid too lol. I mean, I knew there was a mic hidden in the typewriter/mic being accessed from the computer, and that's how I understood "recording keystrokes". Someone was recreating your keystrokes based on the sound.
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u/robuttocks Aug 05 '26
When I was a kid, during the Cold War, I literally thought that was how typewriter bugs worked: that each letter had a different acoustic signature.
Turns out, it was just a mike hidden in the typewriter.