Cue the Scroll PhoneTM.
I can’t even imagine the nightmare UI that would accommodate that type of screen.
Mechanically, I could see a device that has a slide down keyboard and a roll up screen. Functionally, I can’t see how it would be useful for daily smart phone actions like one-handed use or swipe-gestures.
Adjusted for inflation, that $0.25 is now equivalent to $68 million dollars, so…