Here's what is of "vital interest" every year:
Stay away from those damn apostate Web sites and literature. Do not listen to music (except the 225 pieces of Kingdumb S***) unless you are 100% sure it's clean (and then someone is going to take a snippet out of context and say it's dirty). No worldly associations for children, and none for grown-ups. People have pioneered with severe health and financial conditions. Any thoughts of sex are bad. You are not doing enough. Your baptism is just the beginning of a lifelong path in the Tower. Armageddon is coming within six months or less, and you need to be ready. And so on.
This is the same s*** year after year. All they do is vary it a little bit. But something like 90% of the vital information pertains to the logistics of the assembly itself: dressing up all the time, making sure to obey all the endless rules, making sure to be there all three days and that children who are still in school should flunk their damn exams to make Friday, make sure to stay in the crap hotels and get your reservation the day the list is announced, proper behavior in the motel, and parking scams. And then you get there, only to find it to be a remix of last year's program. Besides, the essence of it will be posted on one or another apostate forum every year. And, there is no parking or logistical hassles and scams there.