The Fitbit is a tiny motion-tracking gadget that tracks your steps and other information about how much you move around, then uploads it to the Internet to calculate how many calories you’ve burned. It’s immensely useful, but something that you clip to your clothing during all waking hours is bound to get lost. And Greg’s did. He contacted the company to close his account and adjust to accelerometer-free living, and that’s when he got a surprise. [More]