Nest Hello review: The smartest doorbell for your home

[Windows Central]

Nest didn't reinvent the doorbell — that was done already. But it's made the best one you can buy.
In retrospect, I should have seen this coming long ago. The idea of a video doorbell isn't all that novel. It's just a basic button, camera, speaker and mic, with some flashing lights tossed in. That's not all that technologically advanced, right?


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