26. The system of claim 23 , including instructions for sending to the client system for display content of a respective user-selected conversation when the user selects the respective conversation in the displayed list of conversations.
26. The system of claim 23 , including instructions for sending to the client system for display content of a respective user-selected conversation when the user selects the respective conversation in the displayed list of conversations. 27. The system of claim 26 , including, instructions for enabling the user to associate the user-selected conversation with a category while the content of the user-selected conversation is being displayed, the category having a user-specified identifier.