A couple of years ago, on my personal blog, I posted an infographic to explain social media using bacon. Of course the inspiration came from Justin Foster's book, "Oatmeal v. Bacon". I have put the infographic down below because I love bacon and I think it adequately illustrates the difference between key social media outlets.
Even though social has become as commonplace as bacon itself, there is still more than enough confusion on the purpose of each of the various platforms.
So, here is that infographic in all it's glory.