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Published on Oct 26, 2007
Dasher is a one finger user interface that allows text entry without a keyboard.
Keyboards are inefficient for two reasons: they do not exploit the redundancy in normal ... all » language; and they waste the fine analogue capabilities of the user's motor system (fingers and eyes, for example). I describe a system intended to rectify both these inefficiencies. Dasher is a text-entry system in which a language model plays an integral role, and it's driven by continuous gestures. Users can achieve single-finger writing speeds of 35 words per minute and hands-free writing speeds of 25 words per minute. Dasher is free software, and it works in all languages, and on many platforms. Dasher is part of Debian, and there's even a little java version for your web-browser. http://www.dasher.org.uk/