Google “What is Clubhouse?” and you’ll find a flurry of articles written in the past few weeks about this fast-growing social network. It’s not yet a year old, and much of the buzz stems from the fact that Clubhouse is invite-only, bringing with it an element of exclusivity. Clubhouse’s key attribute is its medium: audio, which sets it apart from established social media and messaging services like Facebook, Instagram, TikTok, WhatsApp and YouTube that use text, photos, video or a mix. Clubhouse combines the structure of old-school text chatrooms with the immediacy and emotion of the human voice. The social…