Bingo card culture. Larger patterns, e.g. a diamond pattern consisting of cell positions B3, I2 and I4, N1 and N5, G2 and G4, and O3, are often used by online Bingo games to permit large number of players while ensuring only one player can win. (A unique winner is further desirable for online play where network delays and other communication interference can unfairly affect multiple winning cards. The winner would be determined by the first person to click the "Bingo!" button (emulating the shout of "Bingo!" during a live game).) In this case the number of unique winning cards is calculated as
National Bingo Game and the National Prize is presently in the region of £5,000–25,000, depending upon the day of the week and session played, plus the Jackpot Prize – see § New Game. Many players prefer to purchase a strip of six tickets, as this guarantees that all numbers 1–90 appear on the strip, so the players know that they will be marking the strip each and every time a number is called. Technology has improved since the game began in 1986 and currently ADSL secure internet connection is used to collect and distribute data. The National Bingo Game has been in operation