Machine Learning Detects Cross-Cultural Similarities and Differences in Emoji Usage

Penn researchers used machine learning on nearly one billion social media posts from the US, UK, Canada, Japan, and China to study how emoji usage differs across cultures. Western users favored negative facial expression emojis when discussing health, while Eastern users chose healthcare object emojis — findings with implications for cross-cultural health communication. Featured: Sharath Guntuku, Lyle Ungar.

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