Tideform Field notes / retention study
Chapter 04 04 / 07
The signal · 90-day return

Return follows the repeated signal.

Return rate rises with repeated first-month visits Five bars show 90-day return rates of 18, 29, 43, 58, and 71 percent for visitors with one, two, three, four, and five or more first-month visits. COHORT READING / 01 90-day return rate n = 12,480 · first-month visitors 80% 60% 40% 20% 0% 18% 29% 43% 58% 71% 1 VISIT 2 VISITS 3 VISITS 4 VISITS 5+ VISITS
This is the Haida Formline design system, applied by Curio — a design-style library for AI agents. Full Haida Formline guide → designbycurio.com/learn/haida-formline-northwest-coast