“On a scale from 1 to 10, what color is your favorite letter of the alphabet?”
–Slogan on a T-shirt
This is one of my favorite T-shirt gags because it teaches something about data types, scales and measurements. When you hear it, you automatically start to answer it as if it was a real question. The humor for us nerds comes from the absurdity of mixing different kinds of scales and data types.
We could compute “furlongs per fortnight” and actually get an answer that has some meaning. It would not be very useful, but at least it makes