[guftagu]

Appears to be really hard to pull off. How many hours of training does a person need to achieve let's say 20wpm?

[devilsenigma]

People seem to pick up Dasher pick up pretty quickly http://www.inference.phy.cam.ac.uk/dasher/users.html and the demo makes it seem much easier than it is https://www.youtube.com/watch?v=wpOxbesRNBc

[bryanrasmussen]

actually I tried it some years ago and it didn't seem worthwhile to pursue for me, but then I have a pretty high typing speed already.