Fans of The Script as the band perform on the main stage on the third day of music at the Electric Picnic in Ireland on Sunday, September 3, 2023. (Photo by Alan Betson/The Irish Times)

Revelers enter the cold water during the annual Polar Bear Plunge on New Year's Day, Wednesday, January 1, 2025, in New York. (Photo by Andres Kudacki/AP Photo)

Embers remain among the debris after most of the buildings were burned to the ground in a wildfire at Gounsa Temple in Uiseong on March 26, 2025. At least 18 people have been killed in one of South Korea's worst wildfire outbreaks, with multiple blazes burning and causing “unprecedented damage”, the acting president said. (Photo by Yasuyoshi Chiba/AFP Photo)

Participants react as they try to reach the top of a greased pole to collect the prizes, during a “Panjat Pinang” competition, that is held to celebrate Indonesia's 79th Independence Day at Ancol in Jakarta, Indonesia, on August 17, 2024. (Photo by Ajeng Dinar Ulfiana/Reuters)

“Life in War” (FotoEvidence Press) by Iranian photographer Majid Saeedi is probably the only book about Afghanistan that doesn’t show images of war. For ten years his camera photographed daily life in the context of war. His photographs reveal the humanity of a people living through decades of war. Here: Afghan men escape increasing summer temperatures by wading in the Qarga reservoir on July 9, 2010 in a suburb of Kabul, Afghanistan. (Photo by Majid Saeedi/Getty Images)

Couples take part in the “Love and Challenge Marathon” in Hanoi, Vietnam, 16 August 2015. Fifty couples, who are going to get married, participated in the event which is held the fifth time. This year, the winners of the marathon received a honeymoon trip to Malaysia. (Photo by Luong Thai Linh/EPA)

Armed Syrian Turkmen villagers are seen near the northern Syrian village of Yamadi, near the Turkish-Syrian border, Syria, November 24, 2015. Turkey shot down a Russian warplane near the Syrian border on Tuesday saying it had repeatedly violated its air space, one of the most serious publicly acknowledged clashes between a NATO member country and Russia for half a century. (Photo by Reuters/Stringer)

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As some of the sharpest businesses around, no-one understands this quite as well as casinos and that's why they all have a system that they call comps. It's short for "complimentary offers" and these are special treats specially designed to reward you for your loyalty to the casino in question. They're basically bonuses.