Microsoft had a stylus and a word processor on PocketPC handhelds long before the iPhone, and Apple had them on the Newton, though Palm was there first....
Going back to 1989, Microsoft had a stylus-operated tablet with the GRiDPad, which was running MS-DOS with Extensions for Pen Computing.
SketchPad was innovative. Otherwise, such claims generally tend to illustrate that the claimant doesn't know enough computer history...
Going back to 1989, Microsoft had a stylus-operated tablet with the GRiDPad, which was running MS-DOS with Extensions for Pen Computing.
SketchPad was innovative. Otherwise, such claims generally tend to illustrate that the claimant doesn't know enough computer history...