This document contains 52 SEO tips written by Big Oak SEO over the course of 2007. The author wrote weekly blog posts with SEO advice and compiled them into this document. Some of the early tips include creating a blog, doing keyword research, and using social bookmarking. The author notes that while some specific tactics became outdated as technologies changed, the core best practices of SEO remain the same, such as optimizing content, building relevant links, and focusing on the user experience. The tips cover technical aspects of SEO as well as link building strategies and using various online marketing channels.