Slots have come a long way since Charles Fey’s simple three-reel machine. From...

https://www.oddee.com/7-surprising-inventions-that-turned-slot-machines-into-digital-games-79667/

Slots have come a long way since Charles Fey’s simple three-reel machine. From Bally’s Money Honey that introduced electromechanical magic to today’s video slots and smartphone games, the evolution is wild and fascinating