Don't limit yourself to the thumbs-down emoji when you don't like something. Try the face vomiting emoji, instead.

you have to design an icon that still looks like a redwood tree, or whatever you're interested in, even at extremely small size, because we use emoji in text. And that's where a lot of proposals ...

SEE ALSO: Emoji sheriffs are patrolling Twitter Email is a medium that lends itself to this kind of specificity. As Farhad Manjoo of The New York Times recently wrote, "It preserves time ...