PR News
Bing's Best Stories: The PR Wins That Built the Engine Behind Microsoft Copilot
The 17-year PR retrospective of the search product everyone wrote off — and that quietly became the retrieval index powering Microsoft Copilot. From the 2009 Decision Engine to the 2026 Wave 3 multi-model architecture, the Bing best-stories arc as a case study in patient platform PR. [22739, 27964, 27941, 27951]