Systems and methods for determining delivery hierarchical information for an Ad unit. The clamping arrangement comprises at least a fixed portion attached to the first member and a reaction portion attachable to the fixed portion, and a forcing portion. The sensing circuits, such as touch sensitive detector or motion detector, provide at least one activating signal in accordance with a sensed event. A first DC component value of each slice is encoded. The lookup entry is stored in the lookup structure. However, users may be able to edit the auto-populated information in the second profile to make it more specific to the second group.