Many scientists have issued health warnings about the near-ubiquitous presence of WiFi in our homes and in public.
Now there might be a new concern on the horizon - public WiFi signals that can identify and track groups of individuals, even if they are not holding a personal connected device.
As we have come to learn, one of the hallmarks of technology is dual- or multi-use capability. It is for this reason that we are softened up with all of the benefits, before being introduced to the darker side.
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