HiStranger is a deep-tech Emotion AI company that quantifies human emotion using multimodal biosignals (EEG, PPG, FER, and gaze) combined with survey data. Its flagship solution, Insight Flow, analyzes real-time audience responses to deliver actionable insights across film, gaming, and advertising. A proprietary multimodal fusion algorithm achieves 17.7% higher accuracy than single-modal AI, enabling more reliable, data-driven decision-making. Leading the Future of Emotion AI.