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Apple's MacBook Touch Bar is actually a mini Apple Watch
Apple unveiled its Touch Bar addition to the MacBook Pro yesterday. While the company spent time demonstrating its ability to change function keys on the fly, or light up its display with colorful emoji, Apple didn't talk about what's really powering its Touch Bar. Irish programmer and developer Steven Troughton-Smith has discovered that the Touch Bar is actually a mini Apple Watch."From everything I can piece together, the T1 chip in the new MacBook Pro is a variant of the system-on-a-chip used in the Apple Watch," explains Troughton-Smith, in an interview with The Verge. "Running watchOS on the T1 lets the Mac benefit from Apple's deep work on iOS embedded security, as the T1 gates access to the Touch ID sensor and, from the looks of it, the front-facing camera in the new MacBook Pro too."