In the same vein: I discovered the pleasure of the major modifier being under the thumb on MacOS, triply astounding on the MS Natural 4000 keyboard with its hug

In the same vein: I discovered the pleasure of the major modifier being under the thumb on MacOS, triply astounding on the MS Natural 4000 keyboard with its huge alt keys (they map to ‘command’ on Mac due to the position). And then I learned that Emacs was made for keyboards where the ‘control’ keys are under the thumbs.