Cheesy Ideas: One of the Herd

RFID tags are used in supermarkets and huge retail stores like Wal-Mart. Now, students in the Japanese city of Osaka will have the special privilege of being treated just like retail merchandise.

The tags will be read by readers installed in school gates and other key locations to track the kids' movements.

The chips will be put onto kids' schoolbags, name tags or clothing in one Wakayama prefecture school. Denmark's Legoland introduced a similar scheme last month to stop young children going astray.

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