MIT spin-out Affectiva, one of our most innovative companies to watch in 2021, has acquired Smart Eye for $73.5 million.

Affectiva is the creator of Emotion AI, a category of artificial intelligence which can understand human emotions, cognitive states, activities, and the objects people use through analysing facial and vocal expressions. The AI was trained using more than 10 million face videos from 90 countries.

Smart Eye are pioneers in eye-tracking that understands,...