As you know, Google hosted an AMA with the Google Brain Team yesterday on Reddit and I went through the 742 comments in the thread to pull out any references to search, RankBrain or rankings and honestly, I found nothing.

All I discovered was that the Google Brain team doesn’t want to talk about RankBrain.

Besides for the generic mentions that their team did work on search and it was called RankBrain, I found these two other remarks:

From Jeff Dean at Google who said we don’t talk about RankBrain and search:

From Greg Corrado at Google who said he worked on RankBrain, which was a way they used machine learning in a practical way:

That is really it, unless I missed something. You can scan through the comments yourself on Reddit.

I honestly felt we would hear more about this but I guess I was wrong.

Forum discussion at Reddit.