RFID Cards Big in Tokyo
March 15th, 2003

I still have a couple hundred yen left on the railroad card I bought in Tokyo last September. New York Times reports that these slim, metallic, RFID-based cards are growing more popular in Japan. Some think they are the forerunner to electronic cash. All I know is that it was convenient to charge a card with cash at a vending machine, then simply slap my wallet down on the turnstile at the entrance to any Yamanote line train.

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