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 (1-90) games that many enjoy. Auto-dabbers take the hassle out of marking numbers, while mobile play means you can join a game anytime, anywhere