Porter’s Five Forces, Reread for 2026Industry boundaries are now capability stacks. Buyer power moved to AI agents. The framework still holds. The reading order inverted.John BrewtonApr 25, 2026∙ Paid42ShareNew to Operating?Check out these reader favorites:Operating Economics: The Optimization Company (Amazon)Operating by Warren & CharlieWinning the Loser’s Game: The Creator Economy and the Companies We All Need to Build0 to 55,000 - The First 90 Days Playbook - What I’d Do Differently Knowing What I Know NowSubscribeContinue reading this post for free, courtesy of John Brewton.Claim my free postOr purchase a paid subscription.