When the "one-armed bandit" was introduced, slot machines in American casinos became even more popular. Video slots appeared in the latter half of the 20th century, providing players with a more en51 bonusgaging experience through lively sound effects & visuals. A cultural icon in gambling, the 777 symbol became associated with large payouts and jackpots during this time. 777 slots are still popular among players today because of their nostalgic appeal & large payout potential, even though they are no longer only found in physical casinos. They have also made a big move to online platforms.