Once upon a time in America's not too distant past, there used to be a regional flavor to the towns and cities that varied depending on where you traveled. While each town and city may look the same from afar, on closer inspection, they varied. Each town had its own series of banks, drug stores, restaurants, grocery stores, and so forth, most of them independently owned and operated. Because commerce existed in this way you could be reasonably certain that something you purchased in Columbia, South Carolina for example was something you possibly could not buy in Detroit, Michigan or in Denver, Colorado. This does not apply to all things of course. For example, anyone in the United States in 1978 could walk into their local grocery and purchase a bag of Doritos. They could stop in their local drug store and pick up a bottle of Pepto-Bismol to soothe an upset stomach (after eating an entire bag of recently purchased Doritos). They could go into their local record store and buy the n...