User blog comment:Rappy 4187/Technical Update: February 3, 2016/@comment-4129195-20160203234359/@comment-20644-20160204004149

Right now we're experimenting with Fandom incorporation in a number of ways, including the right rail placement. Whether we stick with that or go in another direction will depend on what kind of engagement and interaction we see from readers and contributors.

That's super vague, I know, but right now our plan is to keep testing to see what works and what doesn't.