1. At a computer system including a multi-touch input display surface, a method for selecting items displayed on the multi-touch input display surface, the method comprising: an act of detecting a first contact with the multi-touch input display surface at a detected first location on the multi-touch input display surface; and an act of detecting a second contact with the multi-touch input display surface at a detected second location on the multi-touch input display surface; an act of calculating a selection region on the multi-touch input display surface based at least on the detected first location and the detected second location, wherein calculating the selection region on the multi-touch input display surface comprises calculating the selection region based on a context at the computer system; an act of selecting one or more items displayed on the multi-touch input display surface in response to the one or more items being at least partially included within at least a portion of the calculated selection region; and an act of rendering item visual feedback at the multi-touch input surface to visually indicate the one or more items having been selected by at least altering display characteristics of the one or more selected items.