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Can you know too much about yourself?

Take a look at the new technologies that allow people to keep track of every detail of their daily lives. It’s a growing movement called “quantified self.”

The personal data gathered is often health-related, but there are applications to measure productivity, time spent in REM sleep and, undoubtedly, time spent using these systems on your phone and laptop.

Is this data gone wild? NewsHour Weekend anchor Hari Sreenivasan talks with Bob Troia, a self-quantifier and NOVA host David Pogue to learn more.

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