The document lists the top 10 information sources for SEO, including SEOmoz, SEO Book, Search Engine Watch, Search Engine Land, and Search Engine Journal. It provides brief descriptions of each site, noting that many are frequently updated blogs that provide useful search engine news, advice, and information. The list also includes individual experts like Michael Gray, Matt Cutts, Nick Stamoulis, and Rae Hoffman-Dolan who are knowledgeable about search engines.