Every claim in the book traces back to a source.
This page keeps the printed book current. When the research moves, it updates here first, so the playbook on your desk never goes stale.
of enterprise AI pilots show no measurable effect on the bottom line.
MIT NANDA · via Fortune 2025of AI value comes from people and process, not the algorithm or the tools.
BCG · 10-20-70 · 2025have redesigned a workflow, the single biggest predictor of bottom-line impact.
McKinsey State of AI · 2025swing in employee sentiment where leaders are engaged, not where the LMS is busy.
BCG AI at Work · 2025quality swing from AI: a 40% lift inside its frontier, worse than no AI outside it. The standard is the lever.
Dell'Acqua, Mollick et al. · 2023 · HBS WP 24-013with AI matched the output quality of a two-person team without it. Role design is now part of capability.
Dell'Acqua et al. · The Cybernetic Teammate · NBER w33641of AI value goes to the leading 20% of firms. The gap is organisational design, not access.
PwC · 2026 AI Performance StudyIf something here is wrong by the time you read it, the newsletter is where it gets corrected. The book points at this page so the evidence can keep moving without a reprint.
The optional deeper dive
You just did this on paper. The facilitator walks you through it on your real workflow.