21. The method as recited in claim 16 , further comprising: an act of displaying the boundaries of the region for selecting items displayed on the multi-touch input display surface; and an act of altering the display characteristics of any selected items to indicate that the selected items are selected by the selection region.
21. The method as recited in claim 16 , further comprising: an act of displaying the boundaries of the region for selecting items displayed on the multi-touch input display surface; and an act of altering the display characteristics of any selected items to indicate that the selected items are selected by the selection region. 22. The method as recited in claim 21 , further comprising: an act of dynamically updating the displayed boundaries of the region for selecting items displayed on the multi-touch input display surface and display characteristics of any selected items as the region for selecting items displayed on the multi-touch input display surface expands in area.