4. The method of claim 3 , further comprising: receiving the selection of the displayed identity for at least one of the collaborators; in response to receiving the selection, displaying at least one of the actions that may be performed with respect to the selected identity; receiving a selection of at least one of the actions; and performing the selected action.
7. The method of claim 4 , wherein at least one of the actions comprises sending an electronic mail message to an address associated with the selected entity.