Bingo has come a long way since paper cards, especially with 90-ball games...

https://www.bookmarking-base.win/bingo-has-evolved-from-paper-cards-to-digital-play-making-it-easier-and-faster

Bingo has come a long way since paper cards, especially with 90-ball games (numbers 1-90). Digital play now lets you use auto-dabbers to mark your numbers automatically, saving time and reducing errors