LUMEN
Annual Letter · MMXXXVI
Chapter III — On Quiet Readers
XIV / XXIV
Slide 14
Finding No. 03
Editorial Cohort 2030 — 2036
Subscribers do not churn.
They
fade
— quietly, across nine months.
Median Silence Before Cancellation
274
+38 days YoY
Days between final open and the formal cancel.
Cohort n =
41,820
Window
Q1 ’30 — Q4 ’35
Open-rate decay
Months after lapse begins
Fading cohort
Retained cohort
80%
60%
40%
20%
0
Month 09
14% open
M0
M2
M4
M6
M8
M10
Smoothed · 30-day rolling
n = 41,820
This is the
Things to Come (1936)
design system, applied by
Curio Design
— a design-style library for AI agents. Full Things to Come (1936) guide →
designbycurio.com/learn/things-to-come-1936