Answer:
Two people are born at the same moment, but they don't have the same birthdays. How could this be?
Look into my face and I'm everybody. Scratch my back and I'm nobody.
Though blind as well, can lead the blind well.
I can be short and sometimes hot. When displayed, I rarely impress.
What wears a coat in the winter and pants in the summer?
What covers its face with its hands, speaks no language, yet most known what it's saying?