As any introvert will tell you, the doorbell can be a source of great anxiety. If I'm not expecting someone, there are only so many reasons for the doorbell to ring. I don't want anything to do with most of those reasons, so it's highly desirable to know what's going on out there before I open the door. I've used various security cameras for this task, including most recently the Arlo Pro 2. None of them have come close to the speed and ease of use you get with the Nest Hello.
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