Mikael Karlsson
Lightning Talk
Teletext was more than just text and numbers on the TV screen — it was a technological pioneer, and among the first digital information platforms that brought structured data directly into people’s living rooms. In this lightning talk, we look at how Teletext actually worked: from signals and data streams hidden in the TV signal, to how it inspired everything from early web portals to modern push-services.
By the time NRK shut down its Teletext service on 20 August 2025 — after 42 years on air — a piece of media history had vanished in Norway.
