The document discusses how joining the USA Local Search Network social media site can help improve search engine rankings. It explains that the site combines local search and social media search by indexing member websites and mentions on social media to generate pages that link back to member sites. This increases page rank through association with other authoritative local pages that are relevant to the member's business. It encourages adding a link to USA Local Search from your website and provides tips for joining the social network to see your site included in search results.