Toolkit
Story: Privacy groups protest RFID tagging of razors
folks: here is something to ponder: rfid is originally designed to tag cows!!
RFID works like this:
an antenna (usually huge ones) emit a radio wave that 'ask' nearby tags to report themself.
the tag is a passive device, with no battery. it gains the energy to report back by converting part of the radio wave energy to electricity.
it could be 2 way or 1 way comms: 1 way means antenna "ask: who are you?" and the tag answers "I am gilete stock number 123, expires 12/2003"
2 way means:
antenna ask "who are you?"
tag answers "I am a gilete"
antenna ask "ok, now your name is shick"
tag answers "ok, new name accepted"
It is interesting to have a handheld antenna and retrive data from individual tags. maybe should try that.
Full Talkback thread
Story: Privacy groups protest RFID tagging of razors
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The probleme here is that Tesco undoubtedly photog... Anonymous -
If these tags were merely being used for internal... Paul Will -
This company should be boycotted, where this techn... Walking Zombie -
Im sure it helps deter shop lifting, i know mach 3... ant -
At the risk of stating the "bleedin' obvious" coul... Paul Will -
Does anyone know how the data in these tags is rea... Nick Flynn -
folks: here is something to ponder: rfid is origin... Anonymous -
As usual the privacy lobby is getting hot and both... Anonymous -
There are too many knee jerk reactions to this whi... David -
It's interesting to speculate about how far and wi... Anonymous -
Why is it any different than using video surveilan... Anonymous



