In America the Keycom/KeyFax system (based on the BBC's Ceefax) was tried in a few cities. You needed to rent a terminal that connected by telephone line to a server. While the US had other text only service-by-dialup systems like The Source and CompuServe, KeyFax was the predecessor of the graphical systems like Prodigy and QuantumLink/AOL:
(For astute viewers, watch the end of the video and see a very young Oprah Winfrey doing an ad for her morning show)
In Chicago, a read-only version of KeyFax was broadcast for a short while on Channel 32 (WFLD) during the overnight hours when the transmitter was usually dark.
http://iml.jou.ufl.edu/CARLSON/history/Keycom.htm
https://www.youtube.com/watch?v=4982KbJDG-E
(For astute viewers, watch the end of the video and see a very young Oprah Winfrey doing an ad for her morning show)
In Chicago, a read-only version of KeyFax was broadcast for a short while on Channel 32 (WFLD) during the overnight hours when the transmitter was usually dark.
https://www.retroist.com/2018/05/09/chicagoland-gems-keyfax-...