> If I recall correctly it was done pre-Musk. It was sporadically AB tested, IIRC, for _years_, but it was certainly _rare_. One gets the impression that the

> If I recall correctly it was done pre-Musk. It was sporadically AB tested, IIRC, for _years_, but it was certainly _rare_. One gets the impression that the first thing Musk did on arrival was demand that every feature flag Twitter had for experimental changes be turned full on; a lot of early Musk changes were things that Twitter had flirted with in the past.