Comcast's Xfinity has introduced a new feature in its internet routers called Wi-Fi Motion, which allows the use of Wi-Fi signals to detect movement within your home. This includes people, pets and other moving objects. Many are concerned about the potential breach of privacy.

A peek inside

Wi-Fi Motion, when enabled, "creates an oval-shaped area of Wi-Fi coverage, and anything that disrupts those signals may be detected as motion," said Tech Radar . The feature can also work in tandem with three other stationary Wi-Fi using devices, like a TV or a printer, to expand the detection range. When motion is detected, you can receive a notification. "This tech works across various rooms and floors, but it cannot pinpoint where the motion took place, and it'll just tell you which device

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