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The evolution of the swipe
4 of 6
Contactless (1998)
Using radio signals (RFID), the first devices were Mobil's Speedpass sticks for buying gas. But now about 75 million cards can be "waved" at retailers.
NEXT: Biometrics (2002)
Manual im...
Magnetic ...
Smart cards
Contactless
Biometrics
Multipurp...
Last updated October 23 2008: 8:12 AM ET
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