| http://www.w3.org/ns/prov#value | - often they buy medicines and other personal items.We are watching youSearching such data mines and skewing answers towards what a system believes users might prefer could turn out to be as handy as the initial uses of RFID tags or as insidious as any other form of snooping.Moreover, if it works in Japan, we can be sure it will be implemented in the rest of the world.We have asked both DoCoMo and NEC t
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