In 2025, brands are no longer guessing how ads make people feel; they’re using Emotion AI to measure and respond to reactions in real time. By analyzing microexpressions, tone of voice, and even biometric signals, advertisers are creating hyper-personalized campaigns that adapt to each viewer’s mood. How It Works Emotion AI platforms like Affectiva and Realeyes capture facial expressions, voice tone, or biometric data while people watch ads. If someone looks bored, the ad cre