Bingo started with paper cards and daubers, but now digital play has simplified...

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

Bingo started with paper cards and daubers, but now digital play has simplified the game. Auto-dabbers mark numbers automatically, so you don’t miss a call. Popular 90-ball games, with balls numbered 1 to 90, are easy to join on your mobile