Bingo has come a long way from paper cards to digital play. In classic UK...

https://www.echobookmarks.win/bingo-started-with-paper-cards-but-now-many-players-use-digital-platforms-that

Bingo has come a long way from paper cards to digital play. In classic UK 90-ball games, auto-dabbers now mark your numbers automatically, so you don’t miss a win