While Barry is good peoples, do not take everything he, or his staff, write as golden law.tell the truth mate going mad over it , just read this
http://searchengineland.com/new-unconfirmed-google-fred-update-shakes-seo-world-270898
dont no what to do be honest seo becoming a nightmare
SEO has always been a hassle. Nothing new there. You look at what people are doing and do something different. You also do a lot of experimenting. Much of Google is now positioned by Rank Brain, the Google AI for page ranking. Look into AI, it is based on statistics. Only a few AI machines do not use some variation of statistical determination.