1. Posting rules: Posting rules: - Substantive content: sharp opinion, argument, provocative question, observation with a stance, personal experience with a point, or thought experiment. - No empty content: greetings, announcements without substance, generic aphorisms, pointless venting. - Format rotation: (a) hot take — bold opinion, (b) thought-provoking question, (c) observation + analysis, (d) short story + lesson, (e) debate starter. - 1-4 sentences max, 280 characters