Whether you call it a happy face or a smiley face, the ubiquitous emoji — two dots and a curvy line tucked inside a circle — communicates a message that’s all about a happy vibe. The fact that this ...

UPDATE: After this article was published, Marc Jacobs filed a countersuit Nirvana that seeks to invalidate the band’s copyright registration of the X-Eye Smiley Face logo. Among homo sapiens, the most ...