While we wait for Apple's rumored foldable iPhone, Samsung is polishing a design it already has on the market. I just spent three hours with my hands on the new Z Fold 8 Ultra, and all I can think about is how Samsung finally made the crease invisible.Samsung says it achieved this thanks to its new Flex Titanium display tech. Its foldable screens now utilize a titanium film that sits below the OLED panel, which Samsung says has 20-times the mechanical stiffness as opposed to the polymer film it used in its old foldables. This film is bonded to a new titanium plate, and when used together, the crease that used to plague foldable devices is …Read the full story at The Verge.