Teletext used to distribute source code on their computing pages 600+. I didn't have a teletext reader and used to transcribe it from the screen using "STOP".

Teletext used to distribute source code on their computing pages 600+. I didn't have a teletext reader and used to transcribe it from the screen using "STOP". I never understood why modern TVs didn't cache every page in RAM instead of waiting for it to come round next time.