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The Case Files

Every company named in the books has its full file here: the numbers, the cautionary opposites, the deep histories. The book takes the snapshot and tells you why they won or lost. This page keeps score afterward, and every file carries the date its figures were last confirmed.

The book gives you the lesson. The site gives you the receipts. Figures get re-checked on a quarterly sounding, and every file below carries the date its numbers were last confirmed, so the book can say “today” and mean it.

What's changed since the book went to print

  1. September 7, 20268 files re-checked · 8 changed

    Eight files re-read against the manuscript itself, and eight came out different. Chewy was backwards: the onboarding ramp expanded from 14 days to 90, it did not shrink from 90 to 14. Netflix now says "thousands of times," which is what the book says, instead of "tens of thousands." Stanley is $94M in 2019 to past $750M by 2023, not a billion-dollar business. Bench carries the Build-chapter figures: 35,000 customers, 600 employees, $113 million raised. Four files had numbers taken out rather than corrected, because no source we can stand behind was found for them: the referral-platform retention percentages traced back to a different company’s case study, the Ohio stay-interview turnover figures had no source at all, Trupanion’s premium was a 2018 number wearing a current label, and the Anthropic run-rate had moved twice since it was written. Where a number left, the mechanism stayed, because the mechanism is the part you can copy.

  2. August 6, 20260 files re-checked · 4 changed

    Four files docked that the book had been pointing at without a home, Kodak, Fujifilm, Peloton, and Tupperware, and every existing file was read end to end for structure. No outside figures were confirmed against a source that day, so not one as-of stamp moved. Nothing was restated as current that had not been checked.

53 case files

More files dock here as the books head to print: the fast-moving numbers live on this page precisely so the books never go stale. Spot something outdated? Tell Bill.

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