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An industrial designer in England introduces a biking system that uses a self-powered smart card to track employees' health and environmental footprint.
Companies are putting sensors in everything from earbuds to foot pods to track data, giving consumers the ability to keep tabs on their fitness using mobile phones.
CNET reporter Jay Greene, an avid skier, hit the slopes to try three pricey goggles with heads-up displays showing his speed and distance. Glitches in both the hardware and software led him to a much cheaper, more reliable alternative.