Designed to make people happy, #whyareUsmiling isn't as much a question as it is a movement to get people to do it.
What makes people smile?
There are hundreds of languages spoken across the world, yet the only universal one cannot be heard.
A smile is a smile.
Everyone is a native; it requires no right or wrong look, no right or wrong accent. Without even a sound, the only universal language can be understood by all.