KansasFest attendee Loren Damewood demonstrates each device's touch interface. The graphics tablet uses a stylus tethered to the interface card. A plastic overlay segments the tablet, much like graph paper does, to assist in drawing and to label specific functions. (There are more details about the interface card and overlay on subsequent pages.)
The iPad's capacitive touch screen neither requires nor supports peripherals, but it responds to multiple points of contact through the use of multifinger gestures.