SEO has been around more or less as long as there have been search engines. Although it seems like some blogger or another is heralding the impending death of SEO every few months or so, SEO has yet to fade into oblivion. The very core of SEO is to change; to make adjustments to one's site to adapt to the search engines' algorithms, the changes in consumers' online behavior, the expanding online world and so forth. SEO isn't about to die anytime soon, but it is constantly evolving to meet the needs and challenges of the times. This is a look at SEO as it was in 2004 and how it has morphed to fit the modern world of 2011.