Big Brother is watching: Wi-Fi signals can track you in your home

It could open the door to mass surveillance

3D Wi-Fi symbol with house at bottom
Wi-Fi signals can be used to detect people's motion and even identity
(Image credit: Eoneren / Getty Images)

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.

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Devika Rao, The Week US

 Devika Rao has worked as a staff writer at The Week since 2022, covering science, the environment, climate and business. She previously worked as a policy associate for a nonprofit organization advocating for environmental action from a business perspective.