Evan, a high school sophomore from Houston, was stuck on a calculus problem. He pulled up Answer AI on his iPhone, snapped a photo of the problem from his Advanced Placement math textbook, and ran it through the homework app. Within a few seconds, Answer AI had generated an answer alongside a step-by-step process of solving the problem. A year ago, Evan would be scouring through long YouTube videos in hopes of tackling his homework challenges. He also had a private tutor, who cost $60 per hour. ...