The Secret Genius of Modern Life: 3x4

Doorbell

The rise of the smart doorbell is one of the great tech success stories of the 21st century, and these security gadgets are now taking over people’s doorsteps. Hannah heads to Los Angeles to talk to market leaders Ring and take a deep dive into doorbell history, discovering how a garage tinkerer who played with sharks, some Soviet spy tech and a student desperate for a drink all led to this technological phenomenon.