Slot machines are one of the most popular games in online casinos throughout the world. On a yearly basis, thousands of players worldwide join and over 70% of profit online casinos earn is exactly from the video slots. History of slot machines is long enough. The very first ancestor of modern video slot was invented in 1891 in Brooklyn, New York. Slots were created on the foundation of poker, and contain 50 cards glued on the five reels shirts down. layers for the rates used coin and pull the lever, resulting within the rotation of please click the next page reels. But since then there was the perception of the payments system, the winner was offered a no cost drink or possibly a cigar, or another thing. This depended on the institution, which was installed a slot machine. To the player it was hard to win since the game was to be repaid, and not ruin the institution, often with the drums removed ten peaks and jack of hearts that it was tough to collect Royal Flush.