User blog comment:Master Sima Yi/Assassinews 19-07-'13 — Assassin's Creed: Brahman announced/@comment-4999424-20131008184715/@comment-3046679-20131008191417

We knew it was gonna end.

They conveniently put up the NDA after AC3's release, so people would want answers after that BS of an ending, and would get hyped for Black Flag to answer these questions, since our wiki had no info.

So of course they'll take NDA down sometime after AC4's release.