Does SEM = SEO + CPC Still Add Up?

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