Brothels exist since ancient times and they have always developed different ways to promote themselves. Big sister in Prague was born in the beginning of the 2000's following the great success of newborn reality shows. Till 2012 this enterprise exploited the will of exposure and voyeurism of its clients for very low prices. For an entry fee of around ten euros men could have sex with prostitutes choosing their favourite setting: the North Pole, the "One Thousand and a One Nights", the Alps, the Barbie world, Paradise or Hell. Their sexual fantasies were also nourished being themselves broadcasted to all the members of the online site, who could see live or recorded performances of those amateur porn stars thanks to weekly, monthly or 3-month subscriptions for less than a euro per day.