The creator of the first ATM machine, John Shepherd-Barron, was unable to access his money one day when he arrived after the bank had closed. He came up with the solution to this problem while taking a bath, taking inspiration from the chocolate bar vending machines. – WTF Fun Facts
chocolate bar
WTF Fun Fact – The Chocolate Bar Invention
Despite cacao being around for thousands of years, the first solid chocolate bar wasn’t produced until the 1840’s. It was previously consumed in a powder or drink form. – WTF Fun Facts
Source: https://en.wikipedia.org/wiki/History_of_chocolate