I know about Baader-Meinhoff, but did something happen recently to lead to some sort of resurgence of zettelkasten interest? I feel like I learned about the te

I know about Baader-Meinhoff, but did something happen recently to lead to some sort of resurgence of zettelkasten interest? I feel like I learned about the term a few months ago on HN, and then it's been cropping up quite frequently since. It's a pretty distinctive word, I feel as if I would have noticed and investigated if it had come up so frequently in the past.