Alina Serban (L) poses during a photo session for the poster of her show in Bucharest on October 20, 2021. Roma actress and playwright Alina Serban grew up watching TV and going to the theatre without any stories “with or about people like us” – something she set out to change, becoming the first to have her work on the stage of Bucharest's National Theatre. (Photo by Bogdan Dinca/AFP Photo)

Fuse TV VJ's Marianela and Juliya attend the store opening of “Nigo's A Bathing Ape” with Pharrell Williams January 11, 2005 in New York City. (Photo by Paul Hawthorne/Getty Images)

The cutest Instagram ever! Tokyo-based mother Aya Sakai is taking pictures everyday of her son Tasuku and his best friend, a French Bulldog ‘Muu’ and post it on Instagram and her Facebook page. Whether the two are watching tv on their ‘favorite’ cushion or cuddling on the couch or sleeping together, the two just can’t seem to get enough of each other. Probably the cutest thing I’ve seen in a long time…

An applicant try-out during a stewardess recruiting interview for China Southern Airlines on October 12, 2006 in Beijing, China. Over 160 candidates have competed at the Beijing Region selection for a total of 15 berths in the next stage of recruitment. The China Southern Airlines launched a nationwide campaign to single out qualified stewardesses, the first of its kind to recruit stewardesses through TV shows. (Photo by China Photos/Getty Images)

Spectators await the start of a cinema screening at a Kinostar De Lux Multiplex in the Moscow suburb of Khimki, December 7, 2014. Furniture retailer IKEA has converted one of the cinema halls, completely replacing standard seats with their furniture, according to local media. There are 17 double beds fitted in the hall, which was renamed to “It wakes love”. (Photo by Sergei Karpukhin/Reuters)

Everyone wants to get something for nothing - whether it's a lucky upgrade that means you can turn left when you get on a plane instead or heading off into the economy seats, or even getting a few extra features thrown in for free when you buy a new car.

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.