Eureka!: Tulip fever —-Tulip farmer Beaver pelts —-Trapper traders Gold rush. —— Miners banks Buffalo hide —- Hunters Land rush —- Property tax Telegraph —- Wire Electricity. ——More wire coal gas Telephone —- More wire service fee Auto mobile. —— Steel WWl. — Guns and butter WWll — Guns and butter Housing boom. —-Construction Computers. — Tech Internet. — Info for sale Smart Fone— Social media Crypto. — DigitalX Eureka! Get my drift ?