How AI tutors and teaching assistants will transform education

Sal Khan is the founder and CEO of Khan Academy, a non-profit which aims to provide free, world-class education for everyone. His organisation has developed an AI tutor and teaching assistant that he believes will transform global education for the better. Is he right? In this edition of Top Class, OECD Editor Duncan Crawford explores the far-reaching implications that thinking and learning machines pose for students, teachers and society as a whole.