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From KCRW in Santa Monica and PRI, Public Radio International, this is To the Point.

Fitness tracking, the benefits and unintended consequences.

Hello again, I'm Norman Alney, and this is To the Point from Public Radio International.

A daily look at the issues Americans care about most.

Wearable devices to monitor bodily functions now constitute a multi-billion dollar industry.

Fitbit, jawbone up, and other gadgets keep track of your blood

pressure, sleep patterns, calories burned, and how many steps you take in a day. The idea is to develop

healthier habits, but the value of self-awareness has limits. All that data can be overwhelming

and compromise privacy. Will tracking and collecting so much personal information give new power to insurance companies and government agencies?

Today's talking point, Bloody Sunday, and the bridge crossing Jubilee.

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Hello again, Warren. I'll knee back with To the Point.

Wearable devices are big business sold as a way to develop healthier habits.

But critics say the urge for self-awareness can make

...