21. A method according to claim 1 , wherein said add in communicates with a broker application configured to retrieve editable information data from a database.
21. A method according to claim 1 , wherein said add in communicates with a broker application configured to retrieve editable information data from a database. 25. A method according to claim 21 , wherein said broker application and said application program are run under an operating system comprising a registry and when data is to be transmitted from the application program to the broker application: the application program places data in the registry; and the broker application retrieves said data from the registry.