The iPhone Duo has all the messiness of a first-gen product. And while I'm not sure I love all of the decisions Apple made around its design, it got one thing right: the matte finish on the inner screen. I've been using it for the past week to watch movies on a plane, peruse my photo gallery, and catch up on a little reading, and I'm convinced. The matte screen is the best thing about the Duo, and I hope every other foldable maker copies it.
When we first got our hands on the Duo, the nano-texture finish on the 7.6-inch inner screen was genuinely a surprise. I've used a dozen or so book-style foldables over the past five years, and every on …