" One of the things the government and proponents of NAIS keep reassuring us is that the RFID chips can only be read close up so our privacy is safe. But here's an interesting article that makes a lie of that" [Source]
AT several 100's of feet tracking efforts, this could replace Passive Tag's. If there is a grid /network of Long Dstance Readers (802.1.01 Std) at a specific zone, it would be cool. Imagine a hand held device that helps you see where you kids/spouse are in a large mall. What about having a Track tag for the dog park ? Such applications on emergent echnologies would be cool !