Introduction to No-Capital One-Person Knowledge Entrepreneurship | All-in-one special lecture for beginners, including book writing, YouTube revenue generation, personal branding, and how to operate a Naver cafe!

<Knowledge-based entrepreneurship that does not require going to work or retiring> Author's special lecture on direction design for one-person knowledge-based entrepreneurship! Through this lecture, you will learn how to create income other than salary and how to create your own personal branding.