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WiFi Can See You Through Walls

Researchers from MIT have developed technology that uses wireless signals to see your silhouette through a wall—and it can even tell you apart from other people. It could be used to keep the elderly safe by dialing 911 if they fall as well as making video games more interactive. http://gizmodo.com/wifi-networks-can-now-identify-who-you-are-through-wall-1738998333 #tech

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