From a wristband that replaces passwords to a device that helps you read on the treadmill, these wearable tech gadgets break new ground. See what they can do for you.
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The new iPhone 5s may use fingerprint technology for security, but Nymi's wristband confirms your identity through electrocardiogram sensors that monitor the pattern of your heartbeat. Nymi works when you place a finger on the topside sensor while your wrist is in contact with the bottom sensor, completing an electrical circuit. When you feel a vibration and see the LEDs illuminate, the gadget knows who you are and your devices -- such as your smartphone, computer and car -- know to authenticate you when you're nearby. Nymi is expected to ship in early 2014; you can preorder the device for $79 or wait for the next batch for $99.
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