NotebookLM focuses on sources you provide. It can help you make sense of a set of notes or documents and prepare questions for a deeper read.
A practical approach
Start with a small group of relevant sources. Ask for a summary of the main themes and request references back to the source material. Follow those references and note what the source actually says.
What to watch
Generated summaries and audio can contain mistakes. Google's NotebookLM Audio Overviews explanation specifically notes this risk. Check the official NotebookLM app for current options. For open-web research, compare our Perplexity overview.