Bingo has evolved from paper cards to digital play, making the game easier and...

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

Bingo has evolved from paper cards to digital play, making the game easier and faster. With 90-ball cards, players can now enjoy automatic dabbers that mark numbers for you, so you never miss a chance