The box that changed trade
The shipping container is a plain steel box. Its inventor was an impatient truck driver. The box is the reason a T-shirt from Bangladesh costs what it does.
Frozen food and fishing
Clarence Birdseye did not discover freezing in a lab. He saw it on a frozen lake in Labrador, and then asked the one question nobody else had.
A house from a catalogue
For three decades an American department store sold complete homes by mail order. The pieces arrived in boxcars. It is the best lesson in bundling I know.
Budapest's telephone radio
Decades before radio, a Hungarian inventor ran a daily news and music service over telephone wires to thousands of homes. Every streaming service today is a copy of it.