Sitting in the bathroom stall, you simply want peace and quiet. Unfortunately, the person next to you is being loud. The noise has nothing to do with them straining though.
Rather, you hear them tapping away on their smartphone as they text, send emails, and play games. Most bathrooms at Narita International Airport now have a separate dispenser in each stall. The small paper wipes are clearly labeled for use on smartphones. The small paper wipes are clearly labeled for use on smartphones.