This document discusses the evolution of SEO and how to succeed as a modern SEO expert. It covers where SEO has been, including basics like titles, descriptions and keywords. It also discusses current priorities like mobile-friendliness and AMP pages. The document outlines where SEO is headed, such as a new mobile-first index and progressive web apps. It concludes with recommendations for SEO best practices, including getting the basics right, planning for future technologies, and using appropriate tools.