It's communications technology, it's wireless, and it changed the world by making printing of books and newspapers a commerically viable enterprise.
Your cold food simply cannot live without it (unless you don't mind melting ice). Not only did its function change the atmosphere of the kitchen forever, but the style and visual appeal of a particluar unit (stainless steel, ice dispenser, etc.) are usually what defines the look and value of the kitchen or even the entire house.
Not the drink, the tool. Imagine an airplane (or a computer) held together by nails.


















