This article highlights some of the things that are considered taboo in Japan, such as wearing shoes indoors, tipping, talking on your phone on public transportation, eating or drinking while walking, blowing your nose in public, being late, leaving chopsticks standing up in rice, showing public displays of affection, ignoring business card etiquette, and not following proper hygiene rules when entering hot springs. The article emphasizes the importance of respecting local customs and traditions when traveling abroad.