Patent ID: 7730156

Claim:
A system for reporting changes that occur in a personal information management (PIM) data maintained by a PIM host, wherein the PIM host includes PIM logic for managing the PIM data, the system comprising: presence logic tied to the PIM logic; a presence server; the PIM host being arranged (i) to maintain the PIM data of at least one user, (ii) to receive a subscription request from the presence server, the request seeking permission to notify at least one designated entity when a change occurs in the PIM data of a specified user, (iii) in response to the subscription request, to send a permission request to the specified user requesting permission to notify the presence server when a change occurs in the designated user's PIM data, (iv) to receive a response from the specified user providing permission to notify the presence server when a change occurs in the specified user's PIM data, and (v) to send a first notification to the presence server only if the PIM host has received the permission response from the specified user, the first notification indicating that the change occurred; the presence server being arranged to respond to the first notification by sending a second notification to the at least one designated entity, the second notification indicating that the change occurred.