TWITTER IS FUN AGAIN: Twitter has grown under Elon Musk — mainly in the U.S., data shows. “Data from two independent research firms, Apptopia and Sensor Tower, indicate that downloads and activity on Twitter are on the upswing in the weeks since Musk bought it and in comparison to last year, appearing to confirm recent boasting from the tech billionaire that he has reinvigorated the social media app. “