<human>: Are there any free online classes I can take to learn more about my favorite hobby?
<bot>: Yes, there are many free online classes you can take to learn more about your favorite hobby. Popular sites such as Coursera and Khan Academy offer a variety of courses related to hobbies like photography, cooking, music, art, writing, and more. You may also want to check out websites dedicated to specific hobbies, such as Craftsy for crafting and DIY enthusiasts or The Great Courses Plus for those who love history and culture.