Patent ID: 7236977
Filing Date: 2007-06-26
Classification: G06Q,Y10S

Abstract:
1. An apparatus for distributing changes based on a group, the apparatus comprising: a computer including a storage, the storage including: a container hierarchy representing an hierarchical organization of objects, wherein objects can be added to and removed from the container hierarchy; an object representing at least one user, the object included in the container hierarchy; a group including at least the object; a plurality of items associated with the group; a delivery engine operative to distribute the items to the users represented by objects in the group, to re-distribute the items responsive to changes in the group, and to notify the users represented by objects in the group of a change in the group; a container hierarchy watch designed to detect a change in the container hierarchy and notify the delivery engine of the change in the container hierarchy; means for removing an old member from the group to define a second group; and means for recalling the plurality of items from the old member after the plurality of items were distributed to the old member from the group while preserving the plurality of items for remaining members in the second group.