A: It's easier than you think. Hold down the Alt key and press 0169. Use the keypad with the num lock on--don't use the number row. I could not get this to work until someone pointed out that you must use the keypad. Duh.
This not only works in MS, but lots of other places,
©--like WordPress. Cool, hunh?
Update: Thanks to a reader, I realized I should add the Apple shortkey. It is even easier than PC:
Copyright (©): Option + G