‘We are not unisex, people!’

Have you ever walked down the sidewalk, determined to be friendly and cheerful that particular day, and looked up to see someone coming toward you, but you couldn’t figure out whether to say “Good morning, sir” or Good morning, miss?” Bluntly put, you couldn’t tell if you were speaking to a male or a female.Well, first of all, greetings on the sidewalks to strangers are rare an...