17. The method of claim 12 further comprising: storing in the database an association between the file and a datum; receiving at the database a first signal that indicates the datum; and in response to the receipt of the first signal, retrieving from the database the files that are associated with the datum.
17. The method of claim 12 further comprising: storing in the database an association between the file and a datum; receiving at the database a first signal that indicates the datum; and in response to the receipt of the first signal, retrieving from the database the files that are associated with the datum. 19. The method of claim 17 wherein the datum is an identifier of a customer.