As everything analog shifts to digital, we can collect a huge amount of data about ourselves. As I noted in our earlier story, the trend was spearheaded by researchers who wanted a “quantified self,” or self-knowledge through numbers that measure things such as how long we sleep or how many stairs we can climb in a day. Most people don’t have the patience to sift through all the data that they could collect about themselves. But a number of new devices are making it easier to do, bringing us the opportunity both to improve our lives, have more fun, and think more about privacy issues.
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