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A comment on Ask HN: Why aren't brain computer interfaces consumer products yet?. Parent comment

Re:Ask HN: Why aren't brain computer interfaces consumer pro... by julienreszka on Saturday April 27, 2019 @08:33AM (#19765199)
there are non invasive devices are you aware of that?
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Re:Ask HN: Why aren't brain computer interfaces consumer pro... by gshdg on Saturday April 27, 2019 @08:37AM (#19765210)
Sure, but are they at all useful?
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