Bingo has come a long way from paper cards to digital play. In traditional...

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. In traditional 90-ball bingo, players marked numbers by hand, but now auto-dabbers do it for you, making games faster and easier