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Vladimir_Chrootin t1_ixr4c91 wrote

Yes, pretty much everyone did by the late '80s, including Apple - the mouse second from the left is an opto-mechanical mouse that replaced it and was becoming standard on new Macs by that time (the ones these mice were plugged into were mainly Mac and Mac Plus models, getting a little obsolete by that point).

I had a Kensington trackball on a PC at the time, which plugged into a serial port (PS/2 didn't really start to proliferate on new PCs until about 1990), and I also used the three-button mouse on the Acorn Archimedes.