I can remember in the late 1980s and early 1990s how many men with AIDS I saw everywhere in Key West. There were hospices and medical supply stores geared to people with AIDS. It seemed that every sick man who could afford it had headed for the warmth and the tranquillity and the gay-friendliness of the island.
Electricity is an example of a general purpose technology, like the steam engine before it. General purpose technologies drive most economic growth, because they unleash cascades of complementary innovations, like lightbulbs and, yes, factory redesign.