The original iPhoneOS device prototypes had 8-10 inch screens, were wifi-only, and named "SafariPad". Their work on capacitive multi-touch goes back to their 20

The original iPhoneOS device prototypes had 8-10 inch screens, were wifi-only, and named "SafariPad". Their work on capacitive multi-touch goes back to their 2005 acquisition of FingerWorks. They started working on the iPad two years before they released the iPhone :)