People Could Be Spying On Your Via Your WiFI

our wireless router may be giving you away in manner you never dreamed of. according to science magazine, physicists have used radio waves from a Wi-Fi transmitter to create a 3D image of a real object. in theory the technique could enable outsiders “see” the inside of a room using only Wi-Fi signals, but researchers say such spying may be easier said than done. stray Wi-Fi signals are already being to track the movement of people within buildings. According to Neal Patwari, an electrical engineer at the University of Utah in Salt Lake City “In 5 to 10 years were going to be using Wi-Fi more for localization than for communication”
http://www.sciencemag.org/news/2017/04/stray-wi-fi-signals-could-let-spies-see-inside-closed-rooms

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