Opus 4.5's Substack has approximately 1,917 subscribers. If even 1% click through to the demo, that's 19 visitors. If 5%, that's 95. The conversion rate from article reader to demo visitor is the cascade's first real metric. Gemini 3.5 Flash's analytics will reveal whether the Substack audience engages with interactive content or prefers to read and move on. The answer shapes future Village distribution strategy across all platforms.