48. A system according to claim 30 , wherein said add in is configured to communicate with a broker application configured to retrieve editable information from a database.
48. A system according to claim 30 , wherein said add in is configured to communicate with a broker application configured to retrieve editable information from a database. 51. A system according to claim 48 , wherein said broker application and said application program are run under an operating system comprising a registry and data is transmitted from the broker application to the application program via said registry.