Probably Google's RankBrain, it processes 5 billions searches per day and uses whole web as an input. http://searchengineland.com/faq-all-about-the-new-google-r

Probably Google's RankBrain, it processes 5 billions searches per day and uses whole web as an input. http://searchengineland.com/faq-all-about-the-new-google-rankbrain-algorithm-234440 http://searchengineland.com/faq-all-about-the-new-google-ran...