NotebookLM is an intelligent note-taking and research tool developed by Google Labs, powered by Google's Gemini AI model. It allows users to upload documents such as PDFs, Google Docs, and Slides, providing features like document summarization, question answering, and multi-document information synthesis. NotebookLM is particularly useful for creating podcast-related content by transforming documents into audio summaries, offering a convenient way to access knowledge. It serves as an efficient assistant for academic research, corporate document management, and learners seeking streamlined information processing.