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"Computerized slots have made this all possible. Again, in the old days, you pulled the lever and either won or you lost — and when people lost, they'd walk away.Today's multi-line slot machines are far more elaborate. Instead of a single line, a player can bet on up to 200 lines at a time on the video screen — up, down, sideways, diagonal — each with a chance of winning. So a person might bet 70 cents and win on 35 of the lines, getting 35 cents back. That feels like a partial win — and captivates your attention.
Some players get so hooked by the flow of the game that they actually get annoyed when they win a jackpot."