are popular for their ease of installation and cloud-based storage. Professional Hardwired Systems : These often use a local Network Video Recorder (NVR)

But someone could watch. That night, unable to sleep, Mia did something she had never done. She clicked on the “Public Feeds” tab—a feature she had ignored. It showed anonymized clips from other Argus Eye users, supposedly scrubbed of identifiers. But the algorithm wasn’t perfect. She saw a woman dancing alone in her kitchen. A man shouting at a video game. A child falling off a bike in a driveway. All captured, tagged, and shared for “community safety insights.”

The app had not just recorded it. The AI had tagged it: “Emotional distress detected. Potential domestic instability.”

Generally, if someone is standing in a public place (the sidewalk, the street, your shared driveway in a townhouse complex), they have no reasonable expectation of privacy. You can film them. However, you cannot them with the camera (e.g., a PTZ camera that follows them maliciously) or use the footage to stalk them.

Moreover, the aggregation of this data is terrifyingly easy. If you and three of your neighbors all use the same brand of camera, and those cameras cover the street from four different angles, the company’s servers can stitch together a complete, time-stamped map of every vehicle, visitor, and movement on your block. You didn't build the panopticon; you bought it piece by piece from Amazon.

Before you mount a camera, know the laws in your jurisdiction.