Slots have come a long way since Charles Fey’s first three-reel machines. 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 first three-reel machines. From Bally’s Money Honey with its electromechanical wonders to today’s slick smartphone apps and browser games, the evolution of slots is full of surprises