Hello Jan my friend :)
I started a thread on this awhile back, here's the url
: http://www.jehovahs-witness.com/forum/thread.asp?id=10717&site=3#131317
lots of interesting theories about what it might be about.
Tonight I saw my Mom's card on her fridge, it has a place for your name and congregation name. You have to hand it in when you get there.
My mom is under the impression that this was only a meeting that would go on in the US, can you confirm that it's going to be world wide? I've only heard that its going to be in four locations in the US. I only know personally of one specifically...
I guess that 'active' publishers can get cards, that one elder per hall was designated to give them out. So unbaptized people can go so long as they're 'regular' in service.
On the top of the card it said something like: "Supplemental meeting to the Annual Meeting, October 7th 2001"
I don't remember the rest...
hope this helps!
love
essie