MasterClass, an educational start-up selling access to the stars, just raised $100 million — meaning their YouTube pre-rolls aren’t going anywhere.

MasterClass' new push from Anomaly features its famous instructors, including Gordon Ramsay, Simone Biles, Ringo Starr, Issa Rae and more.

You might have seen Masterclass ads running on social media or YouTube, but might not have yet pulled the trigger to subscribe. There is now another alternative, the public library.