It's neat to see how early GUI systems introduced users to the mouse — "just move it around while watching the screen".

Sources —

1️⃣ Smalltalk 72 Instruction manual: bitsavers.org/pdf/xerox/smal…
2️⃣ Macintosh user manual: archive.org/details/1984ma…

Also twitter.com/brianjoseff/st…

"You control the pointer on Lisa's screen by moving the 'mouse' on your desktop."

Wait, which desktop??

(I'm assuming they didn't yet use the term "desktop" for the software thing.)
twitter.com/kosmik_app/sta…