Apple's secret health and fitness lab

ABC's Nightline got an exclusive tour of Apple's secret health and fitness lab. [iframe src='http://abcnews.go.com/video/embed?id=29804218' width='640' height='360']

 

It's rare to get a look into Apple's labs - especially when it isn't prompted by an iPhonegate.

[Note: If you can't see the above video, MacRumors has a lower-quality version posted on YouTube here.]