This article explores the history and etiquette of greetings in Japan, discussing how bowing is still an important part of Japanese culture, as well as other forms of greeting such as handshakes and waves. It explains that while Japanese people generally do not greet strangers unless introduced by a mutual acquaintance, younger generations may wave hello if passing by each other on public streets or transportation. Tips are provided on how to properly greet a stranger in Japan, including being polite and respecting personal space.