Judging by some careful experimentation with synclient -m, it's not that it moves the region, it's that if you're only touching the very edge of the pad, it's impossible to get more that about 25 pressure units.
Judging by some careful experimentation with synclient -m, it's not that it moves the region, it's that if you're only touching the very edge of the pad, it's impossible to get more that about 25 pressure units.