In the final year of uni, I learnt to touch-type properly. I was trying the
Dvorak layout, using a normal keyboard, so the letters on the keys didn't match what the keys did. I put a picture of the layout at the top of the monitor, so when I needed to know what a key did, I looked up instead of down.
A year or so back, I slipped on ice, hurt my wrist, and could only type one-handed for a while. There is a keyboard for that too.