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Before streaming and catch-up TV, owning a video recorder was one of the only ways to watch on-demand entertainment.

In 1975 Sony launched Betamax with its half-inch-wide tape capable of recording 60 minutes of television. It was the length of most American shows - the perfect run-time. But in 1977, JVC released its VHS: it was bigger and bulkier, but capable of taping a full two-hour movie. That extra time turned out to be a game-changer, offering viewers more choice, more flexibility, and ultimately, more power.

Johnny I’Anson speaks to industry veteran Marc Wielage, who watched it all unfold from the inside. Marc tells Johnny how marketing, business decisions, and consumer behaviour shaped the outcome.

Eye-witness accounts brought to life by archive. Witness History is for those fascinated by the past. We take you to the events that have shaped our world through the eyes of the people who were there.

For nine minutes every day, we take you back in time and all over the world, to examine wars, coups, scientific discoveries, cultural moments and much more.

Recent episodes explore everything from the death of Adolf Hitler, the first spacewalk and the making of the movie Jaws, to celebrity tortoise Lonesome George, the Kobe earthquake and the invention of superglue.

We look at the lives of some of the most famous leaders, artists, scientists and personalities in history, including: Eva Peron – Argentina’s Evita; President Ronald Reagan and his famous ‘tear down this wall’ speech; Thomas Keneally on why he wrote Schindler’s List; and Jacques Derrida, France’s ‘rock star’ philosopher.

You can learn all about fascinating and surprising stories, such as the civil rights swimming protest; the disastrous D-Day rehearsal; and the death of one of the world’s oldest languages.

(Photo: VHS and Betamax tape comparison. Credit: Museum of Obsolete Media)