include the successful franchises Flip or Flop, Love It or List It and Property Brothers, as well as shows such as Debbie Travis' Facelift, Designed to Sell and Holmes on Homes. Non-HGTV shows in this category include Extreme Makeover: Home Edition and While You Were Out. Pimp My Ride and Overhaulin' show vehicles being rebuilt in a customized way. Business improvement In some shows, one or more experts try to improve a failing small business over the course of each episode. Examples that cover many types of business include We Mean Business and The Profit. Shows geared for a specific type of business include Ramsay's Kitchen Nightmares and Restaurant: Impossible (for restaurants), Bar Rescue (for bars) and Hotel Hell (for hotels). Social experiment Another type of reality program is the social experiment that produces drama, conflict, and sometimes transformation. British TV series Wife Swap, which began in 2003, and has had many spinoffs in the UK and other countries, is a notable example. In the show, people with different values agree to live by each other's social rules for a brief period of time. Other shows in this category include Trading Spouses, Bad Girls Club and Holiday Showdown. Faking It was a series where people had to learn a new skill and pass themselves off as experts in that skill. Shattered was a controversial 2004 UK series in which contestants competed for how long they could go without sleep. Solitary was a controversial 2006-2010 Fox Reality series that isolated contestants for weeks in solitary confinement pods with limited sleep, food and information while competing in elimination challenges ended by a quit button, causing winners to go on for much longer than needed as a blind gamble to not be the first person to quit. Hidden cameras Another type of reality programming features hidden cameras rolling when random passers-by encounter a staged situation. Candid Camera, which first aired on television in 1948, pioneered the format. Modern variants of this type of production include Punk'd, Trigger Happy TV, Primetime: What Would You Do?, The Jamie Kennedy Experiment and Just for Laughs: Gags. The series Scare Tactics and Room 401 are hidden-camera programs in which the goal is to frighten contestants rather than just befuddle or amuse them. Not all hidden camera shows use strictly staged situations. For example, the syndicated program Cheaters purports to use hidden cameras to record suspected cheating partners,