Bingo has come a long way since paper cards, especially with 90-ball games...

https://measuralogic.com/what-happened-to-the-bingo-card-the-technology-reinventing-a-classic-game/

Bingo has come a long way since paper cards, especially with 90-ball games (numbers 1-90). Digital play now lets you use auto-dabbers to mark your numbers automatically, saving time and reducing errors