I think until the iPhone most of the touchscreens were resistive and single-touch. It was multi-touch capacitive screens, alongside Jeff Han's multi-touch demo that captivated everybody's imagination.
(Incidentally, this is the tablet I worked on: https://digitaltmuseum.no/0210211515576/nettbrett - nothing to make you feel old like having tech you've worked on catalogued by a museum; the early versions ran NanoX with a custom Opera port)
I think until the iPhone most of the touchscreens were resistive and single-touch. It was multi-touch capacitive screens, alongside Jeff Han's multi-touch demo that captivated everybody's imagination.