>Calibrated Brain wave readers and eye cameras in the corners of your room can see what elements on the screen you're looking at and can execute commands based

>Calibrated Brain wave readers and eye cameras in the corners of your room can see what elements on the screen you're looking at and can execute commands based on certain thoughts. Brain waves (produced by changes in electrical current in your brain) are weak to begin with, and decrease in power in proportion to the square of the distance (1/r^2). That's why anything that reads your brain waves needs a helmet to work.