In the early part of the 20th century, most corner grocery stores kept their inventories of bottled Coca-Cola cold by icing them in coolers. It was an age of serve-yourself, where all it took to ensure that a customer brought his bottle of Coke to the store’s clerk for purchase was to put a sign on the side of a cooler with the word “please.” The culture, however, was becoming increasing mechanical, which accounts for the introduction in...Continue Reading