Well, for one: QWERTY is not the only mode of input. I have a 23-Key chorded keyboard[1] that can produce all 101-keys of a standard U.S. keyboard.<p>[1] <a href="http:&#x2F;&#x2F;twiddler.tekgear.com&#x2F;" rel="nofollow">http:&#x2F;&#x2F;twiddler.tekgear.com&#x2F;</a>