Anecdote: Wednesday evening, my younger sister's laptop crashed while shutting down. She pressed the off button, the screen when dark. The next day, she pushes the power button, screen lights up, displays the crashed logging off screen. She has to call me up to teach her how to use the power button to restart the computer - 1 sec for sleep, 10 sec for <i>really</i> off.<p>A few people in their teens and twenties are pretty comfortable, many more are not.