I also was thinking about this and got the hardware but was unable to decide on what to share.
My thoughts on it was to create a site where the info looked like it was semi-private info for the Convention.
Maybe FAQ being asked pioneers at the door and explanations from the WTBTS that conceded that the info was correct. Such as the 607BCE/ 586BCE conflict. Pyramid info from CTR,..and on and on and on.
Maybe the Shepherding the flock of God book being mentioned that householders had found it online ( so the Jws would know the name and that it was online) Possibly info about Candace Conti, Australian Royal Commission.
The idea is to not alert them to the fact that the info does not come from an Apostate. I would be truthful but would share enough info as if they were telling the Jws how to handle these questions.
NJY