SEM, SEO, PPC, CPC..please define
by Jeff Kershner I had a nice conversation with someone the other day and we were talking about how it’s so easy to get all these acronyms mixed up. You read an article in one magazine that talks about SEM and the next article you read refers to what seems to be the same thing as SEO. I myself have …
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title=”SEM, SEO, PPC, CPC..please define”>SEM, SEO, PPC, CPC..please define