[wwwtyro]

Imagine a chorded keyboard on the left and right, with the right one (or perhaps both?) doubling as a mouse, with one or two of the keys assigned to mouse function. That's 2^8 to 2^11 different characters you can represent, and you never have to move your hand over to the mouse!

[crumblan]

how many of those chords are you going to learn and remember?

[fusiongyro]

I think the article's author would argue, all of them, given enough time and necessity.

[MaysonL]

Frogpad.com