Okay, it's late and I actually should be sleeping, so maybe I am just imagining this. But I just went over to IMDB to see if they had updated Fincher's profile, and indeed they did. So it looks as if this things is in the process of getting made... and at the very least there seem to be more reasonable indications for this happening than "The Killer" or "The Goon" or "Chef" or any other of Fincher's half-a-dozen in-development credits.
I confess, I think this is kind of cool. We haven't heard so much, but it sounds like this could turn out to be yet another brilliant pairing of director and material. And to answer to some of the skeptical comments: I am absolutely confident that Fincher will not capitalize on facebook popularity, but focus on telling a really good and dramatic story.
The only thing I wonder is: What's with the co-director? The film has a very brief cast & crew section as of now, Kevin Spacey, Michael De Luca and Scott Rudin are producing (sounds good). And they have some hot chick as their only cast so far (sounds even better). And the other director has done a capital L.O.A.D of TV.
So who's that Thomas Schlamme character?
All in all: Awesome news!