[RunningDroid]

I've always wondered how to fix this when/if 8Chan's users move towards a peer-to-peer system.

Maybe some kind of "I use this board so I agree to share the content" style feature?

[gnarbarian]

I think it would work like a tagging feature. So if you make a post, you can put a tags on it like #weapons and #politics anyone subscribed to those tags could see your post and reply to it.

Not sure how to prevent balkanization though, undoubtedly people will post to #politics-antidisestablishmentarianism and whatnot.