Viewdata
Viewdata was an early interactive teletext service that allowed users to access information and services through their television sets. Developed in the 1970s, it combined elements of both broadcast teletext and interactive videotex. Unlike broadcast teletext, which was a one-way transmission, Viewdata was a two-way system, allowing users to make requests and receive responses.
The technology worked by using a modem to connect a specially equipped television or computer terminal to
Viewdata services offered a wide range of information, including news, weather, financial data, and entertainment listings.
While Viewdata represented a significant step towards the internet and interactive services, its widespread adoption was