Raw listings data for the service was supplied via satellite to participating cable systems, each of which installed a computer within its headend facility to present that data to subscribers in a format customized to the system's unique channel lineup.The EPG Channel would later be renamed Prevue Guide and go on to serve as the de facto EPG service for North American cable systems throughout the remainder of the 1980s, the entirety of the 1990s, and – as TV Guide Network or TV Guide Channel – for the first decade of the 21st century.Data used to populate an interactive EPG may be distributed over the Internet, either for a charge or free of charge, and implemented on equipment connected directly or through a computer to the Internet.
When the user found the show of interest, they pressed a button on the remote and the receiver tuned to the show they wanted to watch.
Online TV Guides are becoming more ubiquitous, with over 7 million searches for "TV Guide" being logged each month on Google.
For television, IPG support is built into almost all modern receivers for digital cable, digital satellite, and over-the-air digital broadcasting.
A presentation on the system was given at the 1990 IEEE consumer electronics symposium in Chicago. In 1996, Prevue Networks (the parent of what, by that point, had become the Prevue Channel) introduced the first IPG service in the United States, Prevue Interactive, designed for the General Instruments DCT 1000 series of set-top digital cable converter boxes.
Prevue Interactive would later become TV Guide Interactive, and then i-Guide.