This document discusses various topics related to artificial intelligence and education including: - The potential limits of big data and its fit in education and learning. - Early visions of adaptive tutoring and computer-aided instruction from 1960 and 1980. - Providing thousands of educational videos and skills practices to help self-directed learning. - The challenge of accepting uncertainty when relying on messy real-world data inputs. - The computational complexity of human decision making compared to artificial systems. - Letting the problem or meaning determine the solution rather than technology itself.