Doorbell

Name: Doorbell
Duration: 51 min 45 s

ScienceTechnology

52 分钟English

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.

国家:

导演:

Fay Finlay

演员:

Hannah Fry

建议:

Mature ThemesCoarse Language

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