Bingo has evolved from paper cards and daubers to digital play, making 90-ball...

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

Bingo has evolved from paper cards and daubers to digital play, making 90-ball games easier and quicker to follow. Auto-dabbers mark your numbers automatically, so you don’t miss a call