he history of the computer user interface is a long one, but one pivotal moment is surely the arrival of the graphical user interface. The switch from tapping keys to moving a pointer around the screen was truly a revolution. I won’t forget my early mouse-based explorations of Windows 1 and 2, or the first Mac devices: at first everything felt unfamiliar and wrong, as if I was trying to write left-handed. But there was no doubt that the old days of keyboard-only interaction were over.
