A customer looks at the iPhone 16 Pro Max at an Apple store.Photographer: Bloomberg/BloombergApple has a new “Answers” team developing a stripped-down rival to ChatGPT to help users access world knowledge. Also: An iPhone 17 Pro is spotted in San Francisco, and Apple loses its fourth AI researcher in a month to Meta. Lastly, more on Apple’s latest executive changes.Last time in Power On: The first foldable iPhone will arrive next year in un-Apple-like fashion....