An information device including a flexible display unit capable of displaying information having page information in units of pages, a unit that detects at least one of the bending direction, the amount of bending, and the duration that the display unit is bent, and a unit that determines whether or not page scrolling has been input based on the detected at least one of the bending direction, the amount of bending, and the duration and that updates the information output on the display unit when it is determined that page scrolling has been input. The information device provides the feeling of turning pages of a traditional book.