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Apple Worldwide Developers Conference

Apple WWDC: OS X Yosemite, iOS 8, Health and Messages apps unveiled

Apple WWDC: OS X Yosemite, iOS 8, Health and Messages apps unveiled

Apple unveiled iOS 8, the latest version of its mobile operating system, at the Worldwide Developers Conference on Monday, introducing a new app that helps users monitor their health as well as several new features that will improve how users message one another.

LIVE UPDATES: Apple WWDC 2014

The keynote event in San Francisco wrapped after about two hours of announcements that also included the unveiling of OS X 10.10 Yosemite for Mac laptops and desktops.

The Health app from the Cupertino-based tech company will allow users to keep, in one...

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