<P> The participants were given no other goal or task than the broad aim of building a community, being allowed to decide for themselves how to feed, shelter and organise themselves . Participants were solicited with an online advert that asked, "Are you tired of modern life? Would you like to start all over again?" Participants had the choice to leave the show at any time, subject to following a specified protocol . </P> <P> Channel 4 first proposed the project to the owner of the estate in December 2015 . The series is being produced by KEO films . Series producer is Liz Foley . The show's Executive Producers are Andrew Palmer and Coleen Flynn . </P> <P> A reality TV based social experiment based around community building had previously been pioneered the BBC, who broadcast Castaway 2000 (from 1 January 2000 to 1 January 2001), following the efforts of thirty - six men, women, and children on a remote Scottish island . According to the Radio Times however, Castaway's "integrity as a pioneering format" was compromised by "regular interference and assistance from the outside world" and the production team's alleged focus on conflict . Since Castaway, the idea for a truly unmediated show had been discussed by broadcasters, but it was not until three things came into alignment before the idea was taken from the idea stage to execution - the use of fixed rig filming technology as pioneered by One Born Every Minute, the change in appetite for a return to social experiment style reality TV (citing the evolution of Big Brother into a "hysterical grotfest"), and the "growth of disenfranchisement and interest in self - sufficient living" following the late 2000s recession . It has been argued that the timing of the show coming so soon after the "start again" mood after Brexit referendum was either genius planning or extremely lucky timing . </P> <P> Previewing the show, the Radio Times identified several failings of the Castaway production that Eden should avoid by getting the right number of interesting participants, ensuring every moment is filmed, maintaining the isolation of the participants--preventing visitors and journalists from gaining access, and stopping participants smuggling in radios, mobile phones, etc.--prevent participants leaving (including temporarily, for funerals etc .), don't make the experience too "grim" for participants or viewers, set up accommodation in advance, and prevent the non-cooperation of participants (i.e. those who choose to stay but try not to be filmed). It was believed by the previewer that the enhanced filming set up would ensure no moment was missed and tight security would prevent incursion . They were unsure whether the reduced number of participants would be small enough to solve the casting issues . </P>

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