I have always found the idea of cycles in commerce to be intriguing. For example, one of the more popular examples of this phenomenon is the often noted 20 year cycle in fashion. This same principle happens all over including in our grocery stores.
I stumbled into a 1989 New York Times article describing a Pepsi campaign to test market a high-caffeine version of it's cola targeted as a morning drink:
The Pepsi-Cola Company next month will begin test-marketing Pepsi A.M., a cola drink with about 28 percent more caffeine an ounce than regular Pepsi
This idea apparently bridges generations because ...
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