I left Apple phones before that feature came out, and because of that feature I feel like I have no idea how to use a new Apple phone. I want to say it's just e

I left Apple phones before that feature came out, and because of that feature I feel like I have no idea how to use a new Apple phone. I want to say it's just error but I really feel like they just forced a bunch of UI into that feature too hope it would catch on.