If you've been using your Mac Book or Mac Book Pro and the brightness of the screen has been automatically getting brighter and duller every few seconds or minutes, this is how to stop that happening.
Learn how to lock your Mac temporarily when you leave it for a second. Same kind of thing as hitting Ctrl+Alt+Del on a PC with a user account.
Yeah, they're awesome!
Only if they're not annoying.
They're a little inconvenient.
They s#!t me to tears!