alt Hacker NewsIf you check on average every three years, the odds of you checking the very same day the book comes out are about 1‰, which is improbable but not _extremely_. Add that together with all the probabilities of things that would make you think "wow, that's improbable" and we have pretty high odds of something improbable happening.
Okay, I squinted hard at that notation “1‰” and had Gemini explain it to me, and it appears that you made no typos, but I couldn’t let that go unexplained!