WiFi Device Can See Through Walls: ‘Track a Human by Using Body as an Antenna Array’

‘As if things weren’t creepy enough already.

A new application of WiFi could take surveillance to the next level.

WiFi already makes a perfectly good tracking device – government and law enforcement agencies already collect location data from phones and computers – but ultimately, its accuracy is weak.

Now, MIT tech geeks have found a way to pinpoint location and track complex movement patterns with far greater accuracy – and what’s more, it can track people’s steps through walls, and the individuals or groups don’t even need to carry a cell phone!’

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