Photo: Mike Segar/Reuters/Landov
Nike+ FuelBands are electronic wristbands that keep users apprised of how they’re faring in their attempts to “just do it.” The wristband lets a wearer set a daily movement goal. An embedded accelerometer senses activity, and an array of LEDs reads out such data as steps taken or calories burned.











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Willie Jones
Willie Jones is an associate editor at IEEE Spectrum. In addition to editing and planning daily coverage, he manages several of Spectrum's newsletters and contributes regularly to the monthly Big Picture section that appears in the print edition.
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