21. The method of claim 17 , further comprising the steps of: (a) analyzing temporal patterns of a plurality of sets of touch connected components as the touch connected components change over time; (b) identifying appendages of each of a plurality of different users, where the appendages are hovering adjacent to the display surface; and (c) determining that groupings of multiple fingers in contact with the display surface belong to specific ones of the appendages, and thus, belong to specific users, based on an orientation of each appendage, and on the temporal patterns.
21. The method of claim 17 , further comprising the steps of: (a) analyzing temporal patterns of a plurality of sets of touch connected components as the touch connected components change over time; (b) identifying appendages of each of a plurality of different users, where the appendages are hovering adjacent to the display surface; and (c) determining that groupings of multiple fingers in contact with the display surface belong to specific ones of the appendages, and thus, belong to specific users, based on an orientation of each appendage, and on the temporal patterns. 22. The method of claim 21 , wherein the step of determining comprises the step of determining that an appendage and a grouping of multiple fingers belongs to a specific user based upon knowledge of where the specific user is located around the display surface.