Whether you're an able but slow touch typist, or you never graduated beyond hunting and pecking, TypingWeb is a free and easy to use online typing tutor that will help you hone your keyboard chops ...

A collection of five typing games for kids that are both fun and free and help kids improve typing skills at home on the computer.

While it's hard to imagine many people adopting Slice as a new typing paradigm just for tablets, if you can learn how it works quickly you'll likely appreciate the efficiency it offers.