Confusion over the direction of Twitter as a platform has continued after the sign-up option for its Twitter Blue subscription disappeared barely a day after going live and grey “Official” badges returned less than two days after Elon Musk ordered their removal. It comes as more high-profile staff responsible for vital areas such as trust and safety, data privacy, cyber security, and complying with regulations suddenly left the social media giant. On Friday morning, the option to sign up for Twitter Blue, which gives users a blue verification badge if they pay £6.99 a month, had vanished from …