Bingo started on paper cards, with players manually marking numbers on classic...

https://www.generate-bookmark.win/bingo-has-evolved-from-paper-cards-to-digital-play-making-the-game-easier-and

Bingo started on paper cards, with players manually marking numbers on classic 90-ball (1-90) tickets. Digital play changed that, introducing auto-dabbers that track your numbers automatically, making the game smoother