I'm in the opposite camp - I also have poor working memory, but instead I have extremely good episodic memory. Good enough I have to remind other people about our shared experiences routinely. I never claim to have eidetic memory but I've only met a couple other people who have memory like mine (one is my mother, so that's kind of cheating)

It's interesting though because I associate with a lot of what the article is talking about with spatial and knowledge memory too. I often have to remember where something was to "step into" the memory again.