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.

Sending a "thumbs-up" emoji over text can have major legal implications after a judge in Canada ruled the simple response can represent agreeing to a legally binding contract. Justice T.J. Keene ...