"The most confusing type of slot machine are the 'Buy-a-Pay' machines. On these, the payout for wins is based on how much you bet, where playing anything other than max coins doesn't make sense."

"Nearly every casino game in the world has an EV under zero, which means that the house has an edge over the player. You might win occasionally, but in the long run you will lose."

"Slot machines have been around since 1887 when San Francisco inventor Charles Fey built a machine featuring three wheels decorated with symbols like diamonds, hearts, and bells, which triggered the jackpot."

"In addition to classic casino games, modern casinos have adapted an old side-show classic, the 'wheel of fortune', to the casino. Some casinos also call this sucker game the 'big six wheel'."

"While mechanical reels remain limited to 22 physical stops, today's video slot machines use virtual reels which can carry dozens of video symbols and hundreds of stops, allowing casinos to offer enormous jackpots."