IBM's 100th Birthday: 10 Top Presents From IBM To Us

Swipe This -- The Magnetic Stripe

IBM developed the technology for putting a strip of magnetic data recording medium onto a plastic card in the 1960s originally as a way to develop identity cards for the CIA, and in the process spawned a revolution of ideas. Magnetic stripes made possible the use of credit cards to quickly close retail transactions, and has been adopted for such uses as medical insurance cards and even throw-away hotel door keys.

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