Facial recognition technology can expose political orientation from naturalistic facial images

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• Yet, as humans may be missing or misinterpreting some of the cues, their low accuracy does not necessarily represent the limit of what algorithms could achieve.
• Another factor affecting classification accuracy is the quality of the political orientation estimates.
• In other words, a single facial image reveals more about a person’s political orientation than their responses to a fairly long personality questionnaire, including many items ostensibly related to political orientation (e.g., “I treat all people equally” or “I believe that too much tax money goes to support artists”).