All of which is to say: The 3,000-year-old tilde might want to consider rebranding itself as Invisible Man With Twirled Mustache. I t’s easy to dismiss emoji. They are, at first glance, ridiculous.

Facebook is rolling out "Reactions," five brand-new emoji to use instead of just the "like" button. It's an alternative to a "dislike" button that people have been wanting for years.