Bingo started with paper cards and daubers, but now digital play makes it...

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 makes it easier and faster. Auto-dabbers mark your 90-ball cards so you don’t miss a number, letting you focus on the game