Screen: Touch

: The IBM Simon debuted as the first smartphone with a touchscreen. Core Technologies

: E.A. Johnson invented the first capacitive touch display for air traffic control. touch screen

: Bill Colwell developed the first curved glass touch interface. : The IBM Simon debuted as the first

: Interactive monitors for presentations and kiosks can reach sizes up to 86 inches or more. Some custom installations, like museum exhibits, have created touchscreens as large as 56 square meters. Historical Context : like museum exhibits

Most modern "long" touchscreens use one of three main sensing methods: