what are your thoughts on Bidirectional brain-computer interfaces ?

It can't exist meaningfully in a world of patents, trade secrets, vendor lock-ins and closed source.

I'm not installing something that I can't inspect, modify or service anywhere I please.

It would be so cool to use one that I'd written every bit of code to myself!

Oh yes, please sign me all the way up for corporations pumping ads directly into my brain, that's a great plan. :P

A deep brain simulator took moderate Parkinsons and all but eliminated the symptoms, adding a decade of working years to the end of my father's life. If don't ethically I am wholly in favor.