Bingo started with paper cards and daubers, but with 90-ball bingo, digital...

https://josuesexpertblog.novacrestiq.com/posts/what-is-the-90-ball-bingo-format-in-britain

Bingo started with paper cards and daubers, but with 90-ball bingo, digital play has made it easier and faster. Auto-dabbers automatically mark numbers for you, so you don’t miss a call