I�ve found it annoying that over the years, more and more people use SEM to mean paid search, as if SEM excludes SEO. That�s not how I defined SEM � search engine marketing � back 2001. I�d still like to see the original definition retained. But I might be swimming against the tide. Below, how I think we arrived at this conflict and some thoughts on where we go from here. ajmalseotipsandtricks.blogspot.com