I used NotebookLM to help digest the gray paper and learn about JAM: https://graypaper.com/graypaper.pdf
Below is the link to an AI generated podcast that explains it in less than 20 minutes. It is impressive how well the model did in summarizing a hard concept.
https://notebooklm.google.com/notebook/bec9e0dd-df84-4282-a440-75f35113a772/audio