“Comparison is the death of joy”—Mark Twain

“The biggest troublemaker you’ll probably ever have to deal with watches you shave his face in the mirror every morning.“—Anonymous Cowboy

I recently reviewed a half dozen all-in-one devices that come in in roughly the same ballpark price-wise. While they’re all all-in-one, they don’t all offer the same thing, feature-wise. So let’s begin with a picture that should help explain things (and save me a lot of jawin’).