Qualcomm's reported ~$4 billion purchase of Modular targets Nvidia's real moat, CUDA software, rather than its chips. Modular's hardware-agnostic, write-once-run-anywhere stack is the anti-CUDA, an escape hatch from Nvidia lock-in that lets Qualcomm's chips, and everyone else's, compete in software, where Nvidia has had no rival. Google with TPUs and Amazon with Trainium and Graviton made hardware bets; Qualcomm went after the software layer. x.com