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I agree with you roachboy. To me it seems like somewhat of a circlejerk and I think the reference in the original post overstates what actually happened and what can ever be done with it. Unless they correlate a "brain signal" with a specific image, or emotion, I think the signal is meaningless. And I don't believe a signal will be so unique that it will always mean the same thing is going on inside the brain. But it's sort of a cool concept in a science fiction sort of way.
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