The article discusses the investigation launched by US antitrust enforcers into potential anti-competitive practices by leading artificial intelligence (AI) companies like Microsoft. The investigation aims to examine whether these companies have engaged in unfair tactics that stifle competition in the AI industry. Key points include: 1) The investigation is being conducted by the Federal Trade Commission (FTC) and the Department of Justice (DOJ). 2) It focuses on potential violations of antitrust laws, such as unfair acquisitions or exclusionary practices that harm rivals. 3) The probe targets major AI players like Microsoft, Google, Amazon, and Meta. 4) Concerns arise as AI becomes increasingly important across various sectors, from consumer products to healthcare and transportation. 5) Regulators want to ensure fair competition and prevent monopolistic behavior that could stifle innovation and harm consumers. 6) The investigation is still in its early stages, and no formal allegations have been made yet.