Three dry cleaning companies all did business on the same block of the city, and competition was very fierce indeed. One day, in an effort to bolster its reputation, one of the companies put up a big neon sign:
Two weeks went by, and that store did get more business, to the detriment of the other two stores. So the second company put up an even bigger, fancier sign:
Two weeks went by, and the second store stole some business. Then the last company put up a modest little sign, after which it gained by far the lion's share of the business: