Whether you text, post or read on social media, or simply go online, you’re bound to run into a yellow smiley face. It has appeared in so many contexts that you may not realize it has a more meaningful purpose. Don’t feel bad if you’re unaware of its original meaning. Today is World Smile Day, and its symbol is the smiley face, giving you the perfect opportunity to learn more about the history of this icon, what World Smile Day is about, and ways to celebrate it.
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