Apple’s iPhone Duo will go down as one of the company’s historic products, @MarkGurman writes in this week’s Power On https://www.bloomberg.com/news/newsletters/2026-09-13/apple-s-iphone-duo-will-make-foldable-phones-the-new-normal-apple-store-revamp-mtzvsb60?taid=6aa6ad94c43a0b0001168a3d&utm_campaign=trueanthem&utm_content=business&utm_medium=social&utm_source=twitter