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What was the computer "mouse"?
(lemmy.sdf.org)
The computer mouse was a pointing device invented in the 1960s by Douglas Engelbart as a means of avoiding the use of the finger to smear dirt and oil on glass particularly at ATMs and PoS stations.
No but that sounds hellish. The craziest mouse i ever saw had a coil in it and a huge pad with intersecting lines. Instead of reading the mouse ball or a laser, it apparently always knew where it was on the pad. They used it for drafting.