Patent ID: 7657548
Filing Date: 2010-02-02
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 all of the users represented by objects in the group, to re-distribute the items responsive to changes in the group, and to recall the items from a user represented by the object to whom the items had been delivered after the object has been removed from the group, so that as objects in the group change, only the users represented by objects in the group have access to the items, and to notify the users represented by objects in the group of a change in the group; and 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.