my keyboard makes me mad when im playing games, downloading files, etc. the power button, sleep and wake up are where pause break, scroll lock and some ...

Here's a lighthearted look at the elevator close door button's functionality and why pressing it is just to make you feel better. And what about the open door button?

The city government did not, however, take the disabled buttons away—beckoning countless fingers to futile pressing. Initially, the buttons survived because of the cost of removing them.