Ceefax: the start of interactive television

In 1974, the BBC launched the world's first teletext service.

It provided information, like news and weather, through our TV screens, whenever users wanted, at the push of a button.

Rachel Naylor speaks to Angus McIntyre, son of the late Colin McIntyre, Ceefax's first editor.

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(Photo: Colin McIntyre, pictured with a television set showing Ceefax, in 1978. Credit: Evening Standard/Hulton Archive/Getty Images)