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.

An Israeli jail authority officer escorts a prison van containing Palestinian prisoners as it enters Hasharon jail on October 16, 2011 in Tel Mond, Israel. IDF soldier Gilad Shalit is to be freed from 5 years of captivity in Gaza in an exchange deal which will see the release of 477 Palestinian prisoners in an initial deal with another 550 to freed after the return of Shalit. (Photo by Uriel Sinai/Getty Images)

A London-based designer has come up with a collection of zombie-proof vehicles, just in time for Halloween. Donal O’Keeffe from Cork in Ireland, created the Zombie Survival Series with 3D rendering after being inspired by his love of horror films. The 31-year-old put the collection together after imagining what city-life would be like if the streets were taken over by wandering undead, from which there would be no safer escape than one of these modified, mobile fortresses.

Photographer Howard Schatz had an idea: place actors in a series of roles and dramatic situations to reveal the essence of their characters. Such was the premise behind his book, In Character: Actors Acting, which captures some of Hollywood’s most emotive stars in the act of, well, making faces. Luckily for us, he continued the tradition for Vanity Fair. Here are some of the best.

“Kimberly Noel “Kim” Kardashian (born October 21, 1980) is an American socialite, television personality, actress, model, and recording artist. She is the daughter of late attorney Robert Kardashian, and is known for a s*x tape with her former boyfriend Ray J as well as her E! reality series which she shares with her family, Keeping Up with the Kardashians. Kardashian's prominence has increased as of January 2011 with the premiere of Kourtney and Kim Take New York, the second spin-off of Keeping Up with the Kardashians (the first being Kourtney and Khloe Take Miami), debuting on E!, with the series following Kim and sister Kourtney Kardashian as they leave Los Angeles to open a third D-A-S-H store in New York City.

Kardashian has launched multiple fragrances, guest starred on numerous shows, competed on ABC's Dancing with the Stars, and has had roles in movies such as Disaster Movie and Deep in the Valley. In 2010, Kardashian, along with her sisters Kourtney and Khloe, released an autobiography, Kardashian Konfidential, and plan to launch their own fashion line”.

Photo: Socialite Kim Kardashian blows out her birthday cake candles at her birthday party at Les Deux on October 21, 2007 in Los Angeles, California. (Photo by Noel Vasquez/Getty Images). LOS ANGELES, CA – OCTOBER 21

English pop singer Shane Fenton, later known as Alvin Stardust, autographing a woman's leg in his dressing room. (Photo by John Pratt/Keystone Features/Getty Images). September 1962

Photographer Howard Schatz had an idea: place actors in a series of roles and dramatic situations to reveal the essence of their characters. Such was the premise behind his book, In Character: Actors Acting, which captures some of Hollywood’s most emotive stars in the act of, well, making faces. Luckily for us, he continued the tradition for Vanity Fair. Here are some of the best.

A stunning photographic collection featuring portraits of people from 30 countries and the food they eat in one day. In this fascinating study of people and their diets, 80 profiles are organized by the total number of calories each person puts away in a day. Featuring a Japanese sumo wrestler, a Massai herdswoman, world-renowned Spanish chef Ferran Adria, an American competitive eater, and more, these compulsively readable personal stories also include demographic particulars, including age, activity level, height, and weight. Essays from Harvard primatologist Richard Wrangham, journalist Michael Pollan, and others discuss the implications of our modern diets for our health and for the planet. This compelling blend of photography and investigative reportage expands our understanding of the complex relationships among individuals, culture, and food.