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The examples they gave are EEG readers which have terrible resolution. There will need to be muchhigher resolution devices that can read more neural activity before we have anything close to mainstream BMI devices.

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Part of me wonders if one could use bio-nano-sensors[1] to amplify the electrochemical signals from the brain(or body) so they can be picked up easier or transformed into some other kind of language to be processed better/more efficiently (through an EEG reader or receiver of some kind).

[1]https://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=...

Wish I hadn't ran out of time for this ... https://vimeo.com/mindhead. You can easily get to "on/off" with equipment like this. The rest depends on training protocols and the software design needed to implement them.

This is pretty cool, though probably a bit obtrusive for consumer applications. Also it doesn't look like the signal strength is that strong or varying (from what i can see in the video) which would make it pretty hard to try to fit equations that would match a specific actions induced from the brain.

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