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While teletext never existed in some countries and has been outdated in others years ago, it is still popular in many places today and it is a fascinating example of a technology that, despite groundbreaking changes in other areas of media consumption, has remained this unchanged zombie from a different time. This is the story of teletext, covering how the BBC started developing Ceefax, how Teletext technology works and how the switch-over from analog to digital has disrupted this technology.

Keywords: Ceefax, Teletext, BBC, Tech, Retro, Technology, Television, Analog, VHS, Digital, British, United Kingdom, TV, Pixel, Videotext

Select video clips courtesy of Getty Images