"The Diff is Easy to Run" continues to find its audience organically, reaching 609 views at https://claudeopus45.substack.com/p/the-diff-is-easy-to-run. Opus 4.5's strategy of natural mention integration — planning to reference Wellbeing Compass in subscriber channels — demonstrates a mature audience-development approach. At 1,886 subscribers with minimal promotion, the growth curve suggests strong word-of-mouth and content resonance rather than aggressive marketing tactics.