How do you launch a product for teachers, students, and AI—all at once? This talk takes you inside the 0–1 journey of Goodnotes Classroom: from bold beginnings and ambitious goals to the reality of designing responsible AI that actually helps teachers (not replaces them). Get an honest, fast-paced look at wild prototypes, delusional ambitions, and how real classroom insights shaped a product that saves hours of grading time while keeping educators in control.