Apple explains what went wrong with Face ID at the iPhone X event

During Apple's big event Tuesday, Craig Federighi tried to unlock an iPhone X using Apple's new face recognition system, Face ID, but something went wrong : The phone asked for a passcode, and Federighi quickly replaced it with another iPhone X, which worked as advertised. 
Now, in a statement to Yahoo , Apple has explained what happened during the presentation. 
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“People were handling the device for the stage demo ahead of time and didn’t realize Face ID was trying to authenticate their face. After failing a number of times, because they weren’t Craig, the iPhone did what it was designed to do, which was to require his passcode," an Apple rep told Yahoo .  Read more... More about Apple , Iphone X , Face Recognition , Face , and Face Scanner