Social media platforms like Instagram encourage emojis, both as a communication tool and a digital shield. But what's behind this emoji explosion?

NEW YORK -- Finally, an emoji to represent us all is coming soon: An exhausted face with bags under its eyes. It's one of eight new emojis that will appear on smartphones and computers next year ...

NEW YORK -- Finally, an emoji to represent us all is coming soon: An exhausted face with bags under its eyes. It's one of eight new emojis that will appear on smartphones and computers next year ...

NEW YORK -- Finally, an emoji to represent us all is coming soon: An exhausted face with bags under its eyes. It's one of eight new emojis that will appear on smartphones and computers next year ...