I've taken several GPT-related courses, but I can confidently say this course is definitely top-class in our country. It doesn't just teach you how to use the tools, but guides you step by step on how to actually apply them to real work, making you naturally say "this one course covers everything." In particular, the instructor explains complex concepts in an easy-to-understand way, so both beginners and people who have already used GPT can grow to the next level. Thanks to this, I was able to automate simple repetitive tasks and also utilize GPT for creative work like planning and report writing. I strongly recommend this to anyone who wants to maximize work efficiency or is simply curious about AI. The satisfaction level is so high that you'll think "why didn't I take this sooner?"