It's 4:34 am and...

I'm staring at my lap top keyboard.

I never noticed that certain letters also had little numbers written on the bottom right hand corner.

U, I, O

J, K, L

and M all have mini numbers.

Oh wow! If you hold down the "fn" key (located on the lower left hand corner of the keyboard) the numbers appear!

They are normal size though, not mini as they appear on the keys. Dang.