Authors can now bundle emotional sentiment in text communication. Not being able to do this in the past was usually just an annoyance but could occasionally turn out to be extremely problematic. Countless miscommunications have occurred due to recipients not correctly interpreting an author's tone, and we now have a tool that can help reduce or potentially eliminate those misunderstandings. It's early days, so we're still seeing teething issues: different emoji sets conveying subtly different cues and evolving social norms around their use. But they have incredible potential.