Quick Quote: Wal-Mart giving away RFID tags, just buy some undies -- via @WSJ [Privacy]
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While the tags can be removed from clothing and packages, they can't be turned off, and they are trackable. Some privacy advocates hypothesize that unscrupulous marketers or criminals will be able to drive by consumers' homes and scan their garbage to discover what they have recently bought.
Read more about RFIDs at Wikipedia, but basically they're little tags that can be read remotely from a limited distance and are used by retailers to track physical inventory.
They cost about a dollar and you can buy them here, but why pay when you can pull 'em off your skivvies.
The privacy concerns are real, but probably not as big an issue in this case since the information seems to identify the brand and possibly the specific store location from which the items were purchased.
As long as people are telling consumers there are RFID tags in their merchandise, and offering a brief definition of what they can do, things look okay.
I get nervous about the seeming proliferation of these tags, and whether or not a time will come when they near ubiquity and consumers aren't made properly aware of their presence in most merchandise.
Source: Wall Street Journal


