My friend, Chris Leone, just wrote a great article on the changing face of SEO. It's good enough that I feel compelled to share it here. Not a week goes by that we don't get personally solicited by off-shore agencies offering cheap SEO services using dated tactics. The effort required to achieve meaningful SEO results has increased significantly over the last 2-3 years. Part of it is because the landscape has changed and the other part is because there are many more businesses competing online for a limited amount of real estate.
Anyone investing in or considering SEO for their business should read this article.