“People draw expressions like the person with the bead of sweat ... Rival companies thus had no incentive to cooperate or standardize. And so it was that emoji enjoyed tremendous popularity ...

Take the sweat drop face emoji for example. This is one I use often (don’t ask) to emote nervousness, but now the Android O version looks legitimately ill, and much sadder than its iOS counterpart.

the "knife" emoji to describe painful cramps and the "sweat" emoji — which looks like water droplets — to illustrate a heavy flow. But there's never been a specific emoji that she could use to ...