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How Bing Became Microsoft Copilot
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How Bing Became 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]

EPR Editorial Team ·