Interesting article in the Guardian today. As someone who relied on Ceefax and Oracle for football scores, news and the awesomely pixellated fun that was Bamboozle for a good ten years this caught my eye. The recovery system is linked and pretty darn clever.
For those that experienced the joy of teletext:
https://www.theguardian.com/technology/shortcuts/2016/aug/10/teefax-a-nostalgic-return-to-the-days-of-teletext
For those that experienced the joy of teletext:
https://www.theguardian.com/technology/shortcuts/2016/aug/10/teefax-a-nostalgic-return-to-the-days-of-teletext