1) The document discusses the blurring line between SEO and social media, with search engines like Google unable to ignore social media for relevance purposes. 2) Key fundamentals for SEO and social media include keyword research, creating valuable content, implementing sustainable link building, using technical SEO, developing social media profiles, and claiming local data. 3) Metrics like measuring performance with Google Analytics and SEO tools are important to identify what's working and opportunities for optimization.