Have you considered adding spoiler tag functionality?

My posts are highly organized and sectioned off, but sometimes they get really long. Having a spoiler tag would allow me to make my posts appear much shorter upon opening (allowing people who don't have time to read the whole thing to get to the TL;DR quicker) while still allowing people who want to sit down and read the whole post to do so.

Spoiler tags would also be really useful for discussing E-sports games, because you can put the results of the game inside spoiler tags so that people who haven't seen the game yet can read the rest of the discussion (pregame hype, etc) without having the results spoiled.

Is anyone else interested in that kind of functionality?