I occasionally buy DRM-free ebooks (tech books like O'Reilly) just to put it into NotebookLM, Claude etc. While I feel a certain amount of empathy to the autho

I occasionally buy DRM-free ebooks (tech books like O'Reilly) just to put it into NotebookLM, Claude etc. While I feel a certain amount of empathy to the authors, it's a table stake at this point to be honest.