Bingo has moved beyond the hall, but the details still shape the game: 75-ball...

https://shanesgreatperspective.hexaforgey.com/posts/do-online-bingo-games-automatically-mark-numbers-for-you

Bingo has moved beyond the hall, but the details still shape the game: 75-ball and 90-ball formats play differently, while a clear digital number grid helps keep each round easy to follow