Moving the mouse around wildly
Moving the mouse around in a controlled manner
Accidentally bumping my desk, which in turn moves my mouse around wildly
Clicking one of the mouse buttons
Pounding the keyboard
Pressing the shift key
Pressing the spacebar
Pressing another key which I believe will not affect any open programs or windows
Pressing any key, not caring if it affects any open programs or windows
Results (455 votes), past polls
By rote learning.
Via Genetic memory.
It's provided by my firmware.
I just remember them.
Thirty days hath September
My computer gets it right, usually.
I just ask someone else.
Someone punches me on the first of the month.
Results (97 votes),