It's never easy to predict what David Fincher is going to do next, or even—as the gaps between his films might suggest—when the heck he's even going to do it. But a new development in the filmmaker's career has made that guessing game a bit easier. Talking to French magazine Premiere [via The Playlist], Fincher revealed he has signed an exclusive deal with Netflix for the next four years. Here's what Fincher said: [caption id="attachment_363066" align="alignright" width="360"] Image via Sony Pictures[/caption] “Yes, I have an exclusivity deal with [Netflix] for …