Clubhouse is quickly and quietly dividing into the have-microphones and have-not-microphones — I’ve been using and enjoying Clubhouse for the past week. It’s genuinely a fantastic new social experience. It’s engaging, it’s personal, it’s rich and it’s unique. It’s made lockdown feel less lonely and it’s brought my friends closer to me. But, perhaps like any real-world clubhouse, there’s just the faintest…