I think it is the update that gives the GS3 global capabilities.
*Sent from my Galaxy to yours through tapatalk
Don't get your tightie whities in a bunch if you don't like my humor or get offended when I skip putting smiley faces all over. IF you cannot handle online comments and get bent out of shape, go home.
For them to send out a mass email it can't have anything to do with the bootloader. The vast majority of people have no idea what it is. The game severice is a good guess. Either that or some new accessories (car and home docks?) for the S3.