29. The method of claim 28 , further comprising: when the divided state of the display is released, continuously providing contents, which has been provided to anyone of the plurality of display regions, to an entire screen of the display.
29. The method of claim 28 , further comprising: when the divided state of the display is released, continuously providing contents, which has been provided to anyone of the plurality of display regions, to an entire screen of the display. 30. The method of claim 29 , wherein the pre-set event is a pre-set gesture, and the contents continuously provided to the entire screen of the display are contents which were provided to a display region other than one assigned to a user who has made the pre-set gesture.