'But humans are not automatons solving problems by algorithm. They have inherited that peculiar offshoot of human evolution—self-consciousness—which allows them to imagine what others might be thinking of them and to dream up embarrassing scenarios that might not even be close to happening. A computer is unembarrassable. Although it may be hyperintelligent, it is too rational to care what a person, or indeed another computer, thinks of it. A computer cannot be shy' (p. 55).