We all have incoherent or incorrect notions that sometimes we even commit to writing. They do not usually reach the front page of HN, however. I'm rather embarr

We all have incoherent or incorrect notions that sometimes we even commit to writing. They do not usually reach the front page of HN, however. I'm rather embarrassed for the author. The problem and the solution discussed is maintaining history, which has nothing to do with state machines nor event-driven systems, which in turn are not mutually exclusive.