A method and system are described for re-arranging a display in a viewable area. The method comprises dividing the viewable area into units; determining the contents of units of the viewable area; prioritizing the availability of the units by content; and allocating one or more display items in the prioritized available units. A plurality of display items is provided and the display items are allocated according to a determined order which may depend on one or more of a user preference, the contents of the viewable area, the activity of the user, and environmental parameters.