What will be the future of SEO? It really largely depends on the future of advertising mediums. If search engines rely less on keyword search in the future, the landscape of SEO will change. Given current trends, there is no reason to suspect a movement away from keyword search in the near future, but you never know with technology...
Until Google invents a robot that analyzes your thoughts and presents relevant content, you might consider giving more thought to optimizing your site for search engines. There are several really easy steps you can take (try Analyze My SEO), and then there are more complex overall marketing strategies that you should formulate if you are trying to seriously market a product or service.
