Greedo said:
Eh!!! It's 2010.
Think technology has moved on a bit since then when you actually pressed down on a small pad under the letter.
Hardly think using iphones and others like them and other touch screen things are tiring!
Touch screens don't have the accuracy of keys. And because you press against something that doesn't give, you have to press harder and look for something corresponding to your input on the computer's screen. Which equals, after a while, tired fingers.
The keys on the keyboard I'm typing this on give when you push your fingers down on them, and click when you've pushed hard enough to send a keystroke to the computer. Plus the edges of the keys are raised, with dimples on the F and J keys, meaning you can type without looking at the keyboard.
Touchscreens can't give haptic feedback like that, apart from making the whole laptop vibrate. So unless something else changes don't expect touchscreens to completely take over.