My younger brother is in high school and will be choosing a university major soon. He recently asked me what he should study, and it made me think about this more seriously. With AI developing so fast, choosing a major feels more complicated than before. It’s not just about what has a good salary now, but also what kind of work may still have value if more tasks become automated. One thing I keep thinking about is how to become harder to replace. For example, medicine still seems relativel...