The problem with touch screens

[Giles Jones]

>>
> In the wii GUI the controller will vibrate briefly when the cursor  
> moves into a clickable area, so the user knows they can now click  
> the button.  With a touchscreen though, when the user taps in the  
> clickable area, the click has already happened.  There's no need to  
> alert the user that they are in a clickable area.  It might be good  
> to alert the user that there was a click though.  As you say, it  
> should be something you can turn off.


Sound is better than vibration, you can use different tones. A  
vibration motor can't make much variation.