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The RFID stuff is indeed an evil thing.
The question is how much data is tracked on the chip. Even an ID is already bad, but imagine if it had the name and such.
In germany, there is a major debate going on about new passports, credit-card size with embeded RFID chips with ALL the details on it and it looks like its going to happen.
To everyone that does not know what RFID is: RFID is a system to embed data into microscopic chips you can put into stuff like clothes or the like. They work together with an RFID reader which can read the data on the chips. They are currently used a lot in anti-shoplifting devices or new kinds of price-scanners. Also some use in security access keycards.
There is no encryption standard for RFID currently, that means if everyone had an RFID chip you could sit in your car with an RFID reader, and record every single person walking by your car. RFID reaches up to 30 feet in best conditions as far as I remember.
Remember Minority Report? Those talking ads, are no fiction. RFIDs would make exactly that possible easily.
Technically speaking, RFIDs get powered by small magnetic fields emmitted by the reader, which causes the RFID chip to receive tiny amounts of current causing it to read the contents of the chip and send it out.
RFIDs are sure evil.
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"Think about it a little more and you'll agree with me, because you're smart and I'm right."
- Charlie Munger
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