CoreWeave and Meta expanded a previous $14B deal to a new $21B agreement for AI computing power. Hyperscalers are "constrained" and use third-party providers like CoreWeave for temporary or specific workload needs, even while building their own capacity. The massive, sequential deal size underscores the immense, unmet demand for AI infrastructure. It validates the business model of specialized GPU cloud providers and shows hyperscalers cannot keep up with demand solely in-house. WATCH as this deal signals the AI infrastructure build-out is accelerating, not slowing, benefiting the entire ecosystem. A slowdown in AI model development or capital spending by large tech firms would reduce demand for third-party compute.