Today at Apple's annual press conference, Apple unveiled the iPhone X, iPhone 8, Apple Watch Series 3, and Apple TV 4k.
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In order to make room for this extra screen real estate, though, Apple had to do away with the iPhone's home button. Now instead of using the home button to unlock the phone, with the iPhone X's 12MP cameras you can use Apple's new facial recognition technology called Face ID to unlock it. Face ID uses the the phone's front facing camera and Apple's A11 Bionic Neural Engine to build a model of your face that can be used to unlock your phone, authenticate you for Apple Pay, and increase security.
With Face ID, supposedly the security is now much greater as according to Apple, the chance of stranger unlocking your phone using Touch ID was 1 in 50,000, compared to Face ID's 1 in 1,000,000. When the iPhone 10 is released, I am sure we will find innovative hackers & researchers trying to crack Face ID.