An unintended result of the advent of reliable/portable touch devices was the reduction in physical hardware input.
Instead of clamping down a joystick to a desk and moving it around with your face... or looking away from content to type on a keyboard with your nose... you can buy an off-the-shelf product and use it on just about any solid surface. The iPad was huge for people with limited limb control.
An unintended result of the advent of reliable/portable touch devices was the reduction in physical hardware input.
Instead of clamping down a joystick to a desk and moving it around with your face... or looking away from content to type on a keyboard with your nose... you can buy an off-the-shelf product and use it on just about any solid surface. The iPad was huge for people with limited limb control.