Equation #13 · Chapter 5

Dorian Gray Index D_gray

D_{gray} = \frac{Revenue_{dark\text{-}pattern}}{Trust_{eroded}} \times Time

D_gray · Ch 5

(Dark-pattern revenue ÷ trust eroded) × time. Trust erodes exponentially, not linearly.

Revenue from dark patterns ($M/yr)20

Trust eroded (1–10)4

Quarters running6

Result30.00

The rot is spreading in the attic. Put this next to the growth dashboard.