Watermarking and infrastructure framed the day: Anthropic detailed how Claude’s text watermark works as Nvidia eyes a multibillion-dollar data center bet tied to OpenAI’s Ohio campus. On the build side, Netflix unpacked LLM‑native recommendations, Fred Schott’s Flue 2 leans into React‑style hooks for agents, and Simon Willison shipped a handy OpenAI‑Responses test UI. Fresh research pushed jailbreak automation and distillation techniques forward.