How to Switch Caps Lock off on Earth? Annoying!

This is the question from Yahoo! Answers:

How Do I Turn off Caps Lock? ( in order to view conveniently, I type it correctly and the asker is uppercase)

I accidentally Turned it on yesterday and I don't know how to turn it back off. All my friends are mad because they think I am shouting at them over the Internet. This problem is literally ruining my life and tearing my family apart. I just want to be whole again. Please help!

And the Best Answer is: (chosen by the asker)

Its forever irreversible. Thats what happened to me. (Also typed in uppercase.)