Bingo started with paper cards and daubers, but today’s 90-ball game mostly...

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

Bingo started with paper cards and daubers, but today’s 90-ball game mostly happens online. Auto-dabbers help keep up with the fast pace, so you don’t miss a number