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xAI just dropped Grok 4 Fast — a lightning‑cheap AI model that cuts costs by 98% while keeping near‑flagship performance, 2M token context, built‑in web search, and smarter tool use that behaves like an autonomous agent. In this 10‑minute tech news recap we break down what Grok 4 Fast means for creators, startups, and AI tooling. Plus: Meta’s new Ray‑Ban display glasses with a Neural Band wrist controller, YouTube’s fresh AI creator tools rollout, and DeepSeek’s “Safe” variant retrained for strict compliance. Want the TL;DR, real‑world use cases, and why this matters for AI adoption? Hit like and share if you found this useful! 00:00:00 Intro 00:00:02 The Grok 4 Fast Revolution 00:02:45 Context Window and Agent Capabilities 00:05:58 Meta Hardware and Platform Evolution 00:11:01 SECTION S004: Industry Maturation and Future Vision 👉 Subscribe to Cool Tech for more coding tutorials, AI tools, and tech hacks that keep you ahead of the game! ‪@Cooltech90