On Apr 27, 2018, at 4:13 AM, Peter Jeremy <peter@rulingia.com> wrote:

On 2018-Apr-27 19:57:51 +1000, Dave Horsfall <dave@horsfall.org> wrote:
On this day in 1981, some little company called Xerox PARC introduced

Well, the company was Xerox.  PARC was their research facility.

something called a "mouse" (mostly because it has a tail), but I'm

Douglas Engelbart demonstrated the mouse in his "Mother of All Demos" on
1968-Dec-09 (see https://www.youtube.com/watch?v=yJDv-zdhzMY).  According
to WP, he applied for the patent in 1967 so I'm not sure when he invented it.

--
Peter Jeremy

According to 
https://www.macworld.com/article/1137400/input-devices/mouse40.html

Bill English designed the first mouse in 1963 based on Engelbart’s sketches.

By 1982 we had access to a Mouse Systems’ mouse. I played with it but gave
up as it was no fun using it with a character only 80x25 screen.