Apologies if already discussed - the second COs talk discusses 4 "important" areas where JWs need to consider the biblical principles involved.
Answers on a postcode ( clue - one word - 2 letters - 1st letter is "n" )
Should a true Christian?:
(1) Use a social networking website
(2) Engage in further education
(3) Associate with a DFd relative
(4) Go to a "large gathering" , even if organised by a JW