Editorial: State needs law to protect personal data on chips

Slap a chip costing a few cents on a clock radio or a bottle of Prozac, and you can track it from its manufacturer to the cash register at Wal-Mart. Build a chip into a special windshield tag, and it allows drivers to zip across the Golden Gate Bridge without stopping at a toll booth. Put one in a corporate identification card and all of a sudden it becomes an electronic door key.

Such is the power of radio frequency identification, or RFID, a technology that’s been around for a half-century but is finally beginning to transform commerce - and become controversial.

Full story on San Jose Mercury News website

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