Take the "angry face" emoji — you know, the one with smoke coming out of its nose like a li'l human bull? Turns out, that's not angry smoke. That's triumphant smoke. I know. I don't get it, either.

The plan was to give emoji reactions such as “love” and “angry” five times the weight of a traditional “like” in Facebook’s secret formula, according to an internal company document.

Behind the scenes, Facebook programmed the algorithm that decides what people see in their news feeds to use the reaction emoji as signals to push more emotional and provocative content ...

The platform also celebrated the 50th anniversary of Star Trek in September with a Vulcan salute, a tiny Kirk for “haha,” Spock for “wow,” Geordi for “sad,” and a Klingon for “angry.” ...

The angry face emoji mask (aka, the "Cooling Masque"), for example, targets redness and helps calm and refresh the skin after sun exposure.