Yes, it wasn't a thing in the US, but basically all televisions in Europe had a text mode for this, and it was very popular when I was growing up in the 80s and 90s.
US televisions didn't have support for the blanking interval data and GUI, and it never got added to the NTSC standards.
For a brief period in the 1980s a few companies tried to provide teletext service, either over modem or a UHF decoder to a home computer or - more bizarrely - as a read-only presentation done overnight when no other scheduled programming was being shown.
For a brief period in the 1980s a few companies tried to provide teletext service, either over modem or a UHF decoder to a home computer or - more bizarrely - as a read-only presentation done overnight when no other scheduled programming was being shown.
Keyfax in Chicago: https://www.youtube.com/watch?v=Bgs0kbxo68w
Keycom home service: https://iml.jou.ufl.edu/carlson/history/Keycom.htm