Picture the busy floor of a casino with a crowded blackjack table, a high-stakes poker game, and a spinning roulette wheel. It’s the epitome of Vegas glitz, but casino operators know that these high-roller games are not where the biggest profits are made. Those come from the lowly slot machine, beloved by tourists, retirees, and workaday gamblers who drop in daily for a few hours alone with flashing lights, ringing bells, and clicking wheels. The modern standard for casino design is to dedicate a whopping 80 percent of floor space to slot machines, and for good reason: slot machines bring in
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