Fair enough. Save cost, show all the necessary information and will definitely be remembered after walked passed this lazy vending machine.
The Lazy Engine of Progress:
Microwave Oven: One classic example is the invention of the microwave oven. It came about when an engineer named Percy Spencer noticed that a candy bar in his pocket had melted while he was working near radar equipment during World War II. This led to the discovery that microwaves could quickly heat food, ultimately saving time and effort in meal preparation.