According to NotebookLM on Twitter, custom video overviews powered by AI have now been made available to all users as of November 2025 (source: @NotebookLM, Nov 17, 2025). This rollout enables users to generate personalized video summaries using tailored prompts, significantly streamlining content creation workflows for educators, marketers, and businesses. The addition of this AI-driven tool opens up new business opportunities for platforms that focus on e-learning, automated content production, and video marketing. The growing trend of customizable AI video generation is expected to enhance productivity, reduce production costs, and offer scalable solutions for enterprises seeking rapid content adaptation (source: @NotebookLM, Nov 17, 2025).