https://techcrunch.com/2017/09/13/the-iphone-x-reveals-why-tim-cook-was-so-mad-about-palm/

At the unveiling of Apple’s new flagship smartphone yesterday, the iPhone X, CEO Tim Cook said it was something the company’s staff had been working on for a decade.

The new premium handset with its edge-to-edge display (minus one unfortunate top notch) does away with the physical home button entirely and makes greater use of gestures for controlling the UI.