I used to do a lot of research on SEO and the methods behind the madness of getting decent organic traffic, and it basically always boiled down to quality content built around targeted keywords, phrases, or related topics.

The way I always imagined to accomplish this was to write or hire someone to write this content and present it in a blog format. It does not seem that you do this on these properties, so briefly what kind of SEO optimization can be continually done outside of that? Are you still writing content as a guest poster and generating reputable backlinks? Engaging communities that are focused around your topic and promoting through those channels in hopes of generating backlinks? Or am I just in left field with all of this and what I thought I knew about SEO?