While its products tend to leak more often than not, Apple is still extremely secretive. So when the company allows camera into any of its facilities, it’s a pretty big deal. Today, ABC morning news show, ‘Good Morning America,’ aired a behind-the-scenes segment about Apple’s secret fitness testing lab. Inside, employees have been working out for over two years with various sensors placed all over their bodies including a rather disturbing looking face mask that measures how hard a person is breathing. It’s all research for the Apple Watch and HealthKit. Of course, in typical Apple fashion, even the employees were…

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