Canada also experimented with the Telidon system in the 1970s, which had some similarities to Teletext: https://wikiless.org/wiki/Telidon https://wikiless.org/

Canada also experimented with the Telidon system in the 1970s, which had some similarities to Teletext: https://wikiless.org/wiki/Telidon https://wikiless.org/wiki/Telidon