If optimizing your SEO for RankBrain, and you’re doing everything you can to get it done, don’t worry about.  It can’t be done, at least, in the traditional sense.  RankBrain, unlike the classic algorithms we know and love, is a query interpretation model.  It’s different, and as such, it requires a different way of thinking.  In this episode of Whiteboard Friday, Rand Fishkin takes on the question of what RankBrain actually is and if SEOs should be optimizing for it.