I am organizing the one and only official Seoul celebration marking the 100th anniversary of Milton Friedman's birth. Here's the Facebook invitation page . This is an unofficial FAQ that will be updated as other questions are asked: WHAT'S THE DRESS CODE? Business casual. Isn't that what people usually say? But what does business casual mean ? According to Wikipedia. "Many people and organizations have offered definitions....The interpretation of business casual differs widely among organizations and is often a cause of confusion." After reflecting upon this for years, I have a suggestion. Business casual should mean: Dress as your mother would approve. So for the July 31 event, if you think your mother would approve, then dress that way. It would help if you could provide a hand-written note from her or another adult guardian in your life, along with a working phone number. If you show up to the July 31 event in a way that I think you