Slots have come a long way since Charles Fey’s original three-reel machine....
https://wiki-spirit.win/index.php/How_Did_Slots_Go_From_One_Cabinet_to_a_Whole_Online_Lobby%3F
Slots have come a long way since Charles Fey’s original three-reel machine. From Bally’s Money Honey, the first electromechanical slot, to the rise of video slots and now smartphone play, these changes made gambling easier and way more fun