I think that the future of input devices are our brains and a device that can read what's going on in them A major obstacle to developing a useful brain-comput

I think that the future of input devices are our brains and a device that can read what's going on in them A major obstacle to developing a useful brain-computer interface using EEG is signal strength. The event-related potentials measured at the scalp are microvolts and do not play well with other electronics nearby. Direct measurement of the motor cortex solves this problem, but most people aren't eager for brain surgery. The other option is to move downstream to the muscle site where a clean signal is quite accessible. I agree, however, that this is a less than ideal solution.