The research found the most confusing emoji is actually not ... to 15% and smoking to 13%. The upside-down smiley face was interpreted as sarcasm (38%), smiling through pain (36%), same as the ...

except for the upside-down smiley face. It's easily one of the most beloved new emojis, but it's got nothing on the taco, of course. Last year the first WTA Emoji Challenge went down in Rome ...