If you forget sunny 16, you can always get a tattoo: http://www.flickr.com/photos/aaronpiazza/5345278610/
put it on a shirt: http://www.flickr.com/photos/spidermac/3551071869/
or glue it to the back of the camera: http://www.flickr.com/groups/sunny16...57603720484762 (I love this personal anecdote of a 14 year old being told to stay away from bad whiskey and loose women, and the shitty weather sunny 16 rules).