Bingo has come a long way from paper cards to digital play, especially with...
https://measuralogic.com/what-happened-to-the-bingo-card-the-technology-reinventing-a-classic-game/
Bingo has come a long way from paper cards to digital play, especially with 90-ball games (numbers 1-90). Auto-dabbers now mark numbers for you, making it easier to enjoy the game without missing a beat