Source: Bigstock

In 1997, music was sold and enjoyed on physical media, mostly CDs. My turn-of-the-century vintage Toyota, which I still drive today, came standard with a built-in cassette player. But 20 years ago this month, in September 1997, Capitol Records/EMI made the very first buck from the sale of a digitally downloadable song -- a single from the new Duran Duran album. It was the first small pebble of an avalanche that Capitol Records itself only survived through acquisition by Univer...