Your WiFi Can See You
WiFi is electromagnetic waves in the 2.4 and 5 GHz ranges. It’s the same thing as the light you see, only it can penetrate walls due to its much longer wavelength. Just like light, these waves also reflect off various surfaces and, when reconstructed properly, can be used to create an image. DensePose, a system developed by Meta/Facebook, can detect the pose of humans in a room based solely on the WiFi signals passing through the environment. The purpose of this technology is for law enforcement, the military, and intelligence agencies. Nearly a third of Gen Z favor the installation of government surveillance cameras in homes.
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https://needtoknow.news/2023/09/your-wifi-can-see-you/