According to @sundarpichai, NotebookLM now supports Video Overviews in 80 languages and provides more in-depth audio overviews for non-English languages, announced on Aug 30, 2025 on X (Source: @sundarpichai). For trading context, this sets a dated AI product milestone and a broader language coverage expansion that market participants can timestamp when tracking AI-theme sentiment and volume across related equities and digital assets; the post disclosed no pricing, rollout regions, or usage metrics (Source: @sundarpichai).