The CAPS LOCK key is probably the most useless key on your keyboard. Netiquette forbids you to use it because it's considered screaming, which is simply rude. And what else would you use it for other than expressing your raw emotions? Unintentional activation of the CAPS LOCK is also a common reason why people fail to type the right password. That's because it sits on the home row, a prime location that is easily hit by accident.
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