Twitter—the site that owner Elon Musk has desperately tried to convince users is now “X”—has a CEO, but based merely off public pronouncements, you’d still think the billionaire tech mogul is still its head. CEO Linda Yaccarino stepped up to the plate to take over Twitter’s mess back in June, but since then we’ve heard little from the person in charge of the app formerly known by its blue and white bird logo.