books.google.ca - Extremely slow communication is a daily reality for many people with different forms of physical disability. Modern computer interfaces can be designed to enhance expressive communication. This is accomplished first by supplying facilities to tailor them to each particular user's residual physical disabilities,...http://books.google.ca/books/about/The_Reactive_Keyboard.html?id=obxCY0wcaTgC&utm_source=gb-gplus-shareThe Reactive Keyboard
