The touchscreen display is the primary interface for self-service kiosks.  At one time it was considered fully optional, now it is pretty much a given (though some keyboard apps still exist).

The top touch technologies are projected capacitance, analog resistive, surface capacitive, infrared (IR), and surface acoustic wave (SAW). However, SAW, projected capacitive and analog resistive make up 90% of the total market.  In 2019 we added contactless touchscreens.

We’ll add in specific suppliers here such