https://www.bizinsider.co/p/operational-excellence-opex-insight-260428BizInsider: Business | AI | Franchise | Strategy | OE | Leanen2026-04-28T17:12:53+00:00Operational Excellence (OPEX) Insight – Tuesday - April 28, 2026: The $13 Billion Divorce: OpenAI Breaks Free, Microsoft Loses Exclusivity.