The Secret Genius of Modern Life
Doorbell
The smart doorbell is a top tech success. Hannah visits Ring in LA to explore its history, from a tinkerer, Soviet spy tech, and a student's thirst to security staple.
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The smart doorbell is a top tech success. Hannah visits Ring in LA to explore its history, from a tinkerer, Soviet spy tech, and a student's thirst to security staple.
Network:Sony BBC Earth
Presenter:Professor Hannah Fry
Executive Producer:Paul Overton, Eileen Inkson
