Some people out there really dislike slides because they dumb things down and make us think in linear way. But I love when I find a digestible slides that can summarize complex topics and can tell a story. I spent some time on Slideshare and found this presentation from Wah17. Even though it was posted two years ago it explains really well the fundamentals of social media.
But if you are a powerpoint enemy and you are thinking there is not much more to Social Media than a few conceptual slides, check out this collaborative mind map that summarizes all the different topics that the new MCDM cohort is exploring. As you can see, social media is indeed a rich subject to research affects many, many aspects of human life.
Also posted on digitalecologist.com