When Apple refreshed the iPad Pro line this summer, it introduced a stunning new feature called ProMotion. Instead of refreshing the display at 60Hz like most phones and tablets, it cranked it all the way up to 120Hz for super-smooth animations and lightning-fast touch response. And to save battery life, it made the refresh rate adaptive—it drops way down when there’s no movement or interaction. I wasn’t alone in hoping Apple would bring the technology to the iPhone this year, and I’m a Read More...