
The Power button on the Touch Bar also incorporates Apple's Touch ID authentication technology, which lets you quickly unlock your Mac, switch user accounts and make secure purchases with Apple Pay on the web with a single touch.

Billed for its "Groundbreaking" design, this new family of MacBooks incorporates a breakthrough interface called the Touch Bar that replaces the traditional row of function keys on the MacBook's keyboard with a Retina-quality Multi-Touch display. 27, 2016 during a media event at the company's Cupertino campus. The 15.4-inch MacBook Pro with Touch Bar (Late 2016) was introduced by Apple on Oct.

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