Corrections log
Dated, public, permanent. Report errors: errata@acuity.press.
2026-08-18
Site brought to the book’s evidence standard: the opening scenario now carries its ILLUSTRATIVE marker (a constructed teaching example, per Appendix J); the Veracode figure is marked REPORTED with vendor framing and bracketed by independent academic estimates (Pearce; Tihanyi); the size line corrected to ~44,500 words · 228 pages (PDF) · 145 (EPUB).
2026-08-17
Gap Index: Veracode wording updated to the 2026 report cycle (150+ models); source-tier tags introduced; update-cadence commitment reworded to one we can keep, with a visible last-updated date.
2026-08-13
Superseded statistic purged: a prior adoption figure sourced to secondary coverage was replaced site-wide (including supporting figures) with the verified survey figure, per Appendix J practice.