There’s still no proper emoji to represent this. I would create an emoji of a person scratching their head to show their lack of knowledge about a particular topic.

Text messages and chats online can include a combination of words, pictures and emoji to convey a message. Words and pictures can be easily understood, but when someone sends emoji you might feel ...

To fill this knowledge gap, Dubé and colleagues investigated associations between emoji use frequency, attachment style, and emotional intelligence across genders and relationship types in a ...