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Dasher
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Existing devices for communicating information to computers are
either bulky, slow, or unreliable. Dasher is a data entry interface
incorporating language modelling and driven by continuous
two-dimensional gestures, e.g. a mouse, a stylus, or eye-tracker.
Tests have shown that, after an hour of practice, novice users reach
a writing speed of about 20 words per minute while taking
dictation. Experienced users achieve writing speeds of about 34 words per
minute, compared with typical ten-finger keyboard typing of 40-60
words per minute.
Although the interface is slower than a conventional keyboard, it is
simple to use, and could be used on personal data assistants and
by motion-impaired computer users. Dasher can readily be used to
enter text from any alphabet.
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Site last modified Mon Jun 9 15:01:44 BST 2003
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