What do you think of when you think of SEO?
It used to be this mysterious thing . You'd write your articles, then "SEO" them for greater success (as if SEO were a verb), hoping against hope that they'd move up the search engine result page. Then the uber cool and hip people came into town with this thing called content marketing that was ever so much more sophisticated and white hat, as opposed to the black hat techniques they assumed were used by SEO experts. (Incidentally, if you're still thinking SEO something you "do" to your article," read on!)