Please Join Mr. Morse and Mr. Braille in the Office

Woman over intercom: Attention, there is an emergency in the ladies' room. There are no more paper towels.
(customers in super long line snicker)
Man on intercom (a minute or two later): Attention Mr. Dewey, we have an emergency in the office. Nobody can understand your decimal system.

Trader Joe's
Washington, DC

Overheard by: Hungry