SEO, SEP, or SEM Specialists - Who am I talking to?
In the past few years there has been a lot of confusion over these terms. Some people interchange search engine optimization (SEO) or SEP (search engine positioning) with search engine marketing (SEM). Others feel each term describes a definite specialty. Martha Lee and Rob Sullivan discuss how they each define and implement SEO/SEM and what it means to be an expert in this arena.
