#14: The Bathroom Soundtrack You Didn’t Know You Needed
In Japan, even bathrooms come with a touch of high-tech etiquette. Many toilets have a built-in “privacy” button that plays the sound of running water or soft melodies to mask any, well… personal noises. It’s all about sparing both you and your neighbors from awkward moments.

These sound systems aren’t just for luxury homes either — you’ll find them in restaurants, office buildings, and even some public restrooms. It’s a perfect example of Japan’s attention to detail, turning an everyday necessity into a discreet and surprisingly pleasant experience.
