Have you ever wanted to know how all the search engines are tied together? There is really only a small number of companies that create their own search results. The rest of them are fed results from other search engines or sometimes more than one. Most people know that Google is the dominant force in Organic Search as well as Paid Search, but who else uses their data? Wanna find out? Check out the great visual representation at search-this.com

Search Engine Optimization (SEO)
Can SEO Help With A Crisis? Using SEO As A PR Tool
SEO is definitely a long-term play. While there are some things you can do to prepare yourself for a crisis, it is not a tool