This is such an amazing idea. I've already thought of two things it might be useful for: a) No headphone cords when running. b) No headphone cords if you fall asleep (just in case they get wrapped around your neck)
Called "Feno", this sleek and portable notebook comes equipped with a flexible OLED full-sized keypad and pop-out mouse, all packed into a foldable design. Simply unfold everything, and you've got yourself a desktop computer, complete with mouse.