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It would be cool if you could train your brain to understand something like the noise that a dial-up modem made. At least there would be high bandwidth in one direction.
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Why is voice ever (for "ever" meaning, say, next 10 years) going to be the most powerful input medium? Even when talking to PEOPLE, you frequently need to resort to gestures for simple stuff, to diagrams for more complex stuff, up to actual text+arrows and underlines.
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