This week we have mention of the 12 tribes of Israel in the Bible study. We have the same thing mentioned in the WT this week. 12 apostles are also mentioned (need to double check that one). Perhaps a few more examples and explanations will come up before the AGM in order for them to reference back.
I would put money on them going for the whole 12 GB idea this year, i'm actually pretty surprised they haven't already gone down this route.
Thoughts?