A few years ago I came across a vending machine selling bottles of something called "Pocari Sweat". I stared at it: what the hell was a Pocari, and why would I want to drink its sweat? I cocked my head and stared at it some more. Then I fished in my pocket for some coins to buy a bottle. It was alright; kind of fruity.

Novelty can be fun, and it can attract customers. Why not try redesigning things for the fun of it? You don't have to make a New Coke every five months, but there should be a good amount of churn for its own sake.