Bruce McPherson wrote:
>> I'll summarise this for you:
> You feel electromagnetics though your skin which carries a slight
> electrical charge (only enough static to fry computer chips)
> My powerbook's trackpad works on that principle.
> It doesn't care if you use your finger or your nose to point with.
You can summarize all you want, but electrical charge from your skin
is NOT what works your trackpad. There is more than one technique
for sensing your finger on a trackpad, but NONE of them rely on a
slight electrical charge on your skin.