Several sources discuss Google's experimental AI-powered tool, NotebookLM, highlighting its features and capabilities. Users can upload various documents as sources and leverage AI to generate summaries, study guides, timelines, and outlines, as well as interact with the content through a chat interface. A notable feature is the Audio Overview, which transforms sources into engaging audio discussions with AI hosts, and the platform is developing a similar Video Overviews feature for visual learners. Discussions emphasize NotebookLM's potential for academic research, content creation, business analysis, and personal learning, with users praising its efficiency in synthesizing information and generating new insights. The tool's development within Google Labs, its use of the Gemini model, and its focus on grounding AI in user-provided sources are also mentioned.