6. A system according to claim 2 , wherein the auto-notification module is operative to log that said update to the rich media file was sent to said user as a transaction in the transaction log.
6. A system according to claim 2 , wherein the auto-notification module is operative to log that said update to the rich media file was sent to said user as a transaction in the transaction log. 7. A system according to claim 6 , wherein the transaction log is operative to store an identifier of said update to the rich media file.