Apple debuts passport-shaped foldable phone, called Duo

Apple on Wednesday unveiled a foldable phone called Duo, introducing the biggest change in years in the company’s flagship product. The Duo is sized and shaped like a passport, with rounded edges. It opens into a horizontal, wide screen that can also be viewed vertically. There is a smaller single screen on the front when the phone is folded. When open, it is Apple’s thinnest phone, the company sa