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> If you can position things in AR, you can put keyboard keys down on wood grain and the device can tell where your fingers land.

You'll get carpal tunnel syndrome faster than the battery drains if you're actually doing that. One of the main points of keyboards is actually the fact that they absorb some of the shock of typing.

It's actually extremely plausible that the keyboard is the best possible text input method - at least until we find a way to read brain signals non-invasively and decode those into text directly.




My (unchecked) understanding is that carpal tunnel comes about because of the angle of the wrist and the repetitive pushing itself.

If there are no keys to press wouldn’t you have no reason to exert force, and no need to angle your wrist or brace your hand?




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