Posted on 08/26/2016 2:24:10 AM PDT by conserv8
As people move through a space with a Wi-Fi signal, their bodies affect it, absorbing some waves and reflecting others in various directions. By analyzing the exact ways that a Wi-Fi signal is altered when a human moves through it, researchers can “see” what someone writes with their finger in the air, identify a particular person by the way that they walk, and even read a person’s lips with startling accuracy—in some cases even if a router isn’t in the same room as the person performing the actions.
(Excerpt) Read more at theatlantic.com ...
Was alerted to this yesterday. it has to be trained first.
Not surprised by that either. I understand the technology, use and abuse of geo-location as well. Your smartphone is more or less a tracking device as long as it’s in your pocket.
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