Marshall wants to know if he can downgrade to iOS 11. He doesn't like 12. Leo says he can, but he'll have to erase the entire iPad. It's also only possible to do this for a limited time, and that window may have passed. iMore has an article that shows to do it here.
Dale wants to know how he can automate functions on the iPhone. Leo says that in iOS 12, there will be a suggestions and shortcuts app that will enable him to automate a lot of things. He also wants to use augmented reality with his iPhone. Leo says that NBC and Comcast is huge into it, and have an app called Augmen.TV.
Check out this video from MacBreak Weekly in 360.
Marshall updated his iPhone to the iOS 12 Public Beta. Now he can't turn on CarPlay in his phone. Leo says that he can type "CarPlay" in the search field at the top of the screen in Settings and it will show right up. But going to iOS 12 isn't advisable for a main device.