11. The system of claim 10 , wherein said inference data inclusion module configured to include into the electronic message the first inference data and the second inference data into the electronic message comprises: an inference data inclusion module configured to include into the electronic message an indication of an action executed in connection with the particular item and performed, at least in part, by the first authoring user.
12. The system of claim 11 , wherein said inference data inclusion module configured to include into the electronic message an indication of an action executed in connection with the particular item and performed, at least in part, by the first authoring user comprises: an inference data inclusion module configured to include into the electronic message an indication of an action executed in connection with the particular item and performed, at least in part, by the second authoring user.