The document discusses how expert content can help ecommerce sites build trust (E-E-A-T) and rank for informational queries. It recommends creating expert articles, reviews, guides and community forums to demonstrate experience, expertise and authority. While transactional rankings are difficult, this upper-funnel content brings traffic, links and may help product pages. The document also warns that poor reputation can hurt SEO and provides ideas for using ChatGPT to analyze content and refine an E-E-A-T strategy.