It featured 11 built-in typical PDA applications including a calendar, appointment scheduler, to-do list, address book, calculator, world time clock, electronic note pad/sketch pad, handwritten annotations and stylus input screen keyboards.
The Simon Personal Communicator introduced in 1994 by IBM, was the first mobile phone with touch screen and PDA functionality. It featured 11 built-in typical PDA applications including a calendar, appointment scheduler, to-do list, address book, calculator, world time clock, electronic note pad/sketch pad, handwritten annotations and stylus input screen keyboards. Being the first to combine mobile phone and PDA functionality, the Simon is now also dubbed the first smartphone although that name was not yet used at that time.