Leland Fiegel discusses the history and basics of SEO. He notes that early search relied on directories and keywords, but Google revolutionized search using links. He outlines on-site SEO like content and markup, and off-site factors like building links and reputation. Key advice includes having high-quality, consistent content, avoiding cloaking or spam, and using plugins to make SEO easy in WordPress. OpenGraph is also mentioned as a way to customize social sharing.