/archive/j/site/logos/zigbee.pngI found this interesting article about how a few guys at the University of Utah have figured out a way of seeing what's going on in a building/home by monitoring multiple RF signals. In this case, they focused on proving their theory using a 34-node ZigBee based network, with some real results. While this might not be practical yet, it makes you wonder if this could become a real issue once ZigBee hardware really takes off.
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