But the loss of privacy doesn't just threaten political freedom. Return for a moment to our thought experiment where I telepathically know all your thoughts whether you like it or not From my perspective, the perspective of the knower -- your existence as a distinct person would begin to shrink. Our relationship would be so lopsided that there might cease to be, at least to me, anything subjective about you. As I learn what reactions you will have to stimuli, why you do what you do, you will become like any other object to be manipulated. You would be, as we say, dehumanized.