For those who are handicapped there is good news a voice controlled input device has been created. You use various sounds like a, ow, aw its to move the cursor up down sideways et al on the screen. Also you can use these voice commands by varying pitch , quality, etc to make it move a particular distance or carry out certain actions.
The various things which can be done by using it are playing games, drawing sketches etc. The future of user interface is Thought Interface vai Brain Waves which is expected of a few years down.
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