Bingo started with paper cards, but digital play has changed the game. In...

https://iris-wiki.win/index.php/Why_Do_Online_Bingo_Games_Feel_Faster_Than_Hall_Bingo%3F

Bingo started with paper cards, but digital play has changed the game. In 90-ball bingo, players now use auto-dabbers to mark numbers automatically, making it easier to keep up