Incorrect. Once capacitive screens that could detect a finger were invented, they were immediately incorporated into tablet PCs. Many tablets incorporated an

Incorrect. Once capacitive screens that could detect a finger were invented, they were immediately incorporated into tablet PCs. Many tablets incorporated an active digitizer underneath a resistive one, allowing both fingers and styli. As for a custom app-based OS, look no further than any tablet running Windows Mobile, like the HTC Shift X9500. http://pastebin.com/6NKYY3Bf http://pastebin.com/6NKYY3Bf