I stand [partially] corrected. Searching through the archives, I find the term first appeared on HN 4 years ago, with a few mentions a year, ever since. But the

I stand [partially] corrected. Searching through the archives, I find the term first appeared on HN 4 years ago, with a few mentions a year, ever since. But there's definitely been a cluster of mentions over the past month or so: https://hn.algolia.com/?dateRange=all&page=0&prefix=false&query=zettelkasten&sort=byDate&type=story https://hn.algolia.com/?dateRange=all&page=0&prefix=false&qu...