Twenty years ago a TV show launched which changed history, revolutionising TV and transforming our ideas about truth, surveillance, technology and politics. The show was Big Brother.
Big Brother reframed surveillance as entertainment, and we were too busy being amused to notice reality TV was a Trojan horse for a new kind of deal between us and the screen.
A decade after Big Brother hit UK screens a new type of reality programme launched that subtly changed our ideas about truth.
By James Badcock
By Niamh Campbell
BBC News NI
It's 70 years since George Orwell published the dystopian classic which introduced us to Big Brother.
By Steve Holden
Paul Jackson explores how locking strangers in the Big Brother house became the TV phenomenon of a new millennium. From May 2003.
By De'Graft Mensah
Cameron reveals he's gay to the rest of the housemates, after admitting he's only told his mum.