Apple's software engineering chief tells us why there's no touchscreen Mac (CNET News) :

Watch more Apple News: http://bit.ly/1X0DYcp Craig Federighi discusses the thinking behind the Touch Bar, describes the challenges of adding Touch ID - and reveals that Apple had built several touchscreen prototypes. The new MacBook Pro hands-on: http://bit.ly/2dML3kC Subscribe to CNET: http://bit.ly/17qqqCs Watch more CNET videos: http://bit.ly/1BQxrGw Follow CNET on Twitter: http://twitter.com/CNET Follow CNET on Facebook: http://www.facebook.com/cnet Follow CNET on Instagram: https://www.instagram.com/

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