With 161,616 graduates (and counting!), the Interaction Design Foundation is the biggest online design school globally. IxDF was founded in 2002 and is a market leader in online design education because the world's leading experts create our content and because we're specialized in design. IxDF courses cover the entire spectrum of UX design from beginner to advanced, while our Course Certificates are trusted by industry leaders such as IBM and Adobe, who train their teams with our courses. Additionally, universities such as MIT and the University of Cambridge include our material in their curricula. The IxDF has created the world's biggest and most authoritative library of open-source UX Design literature with such noted authors as Don Norman and Clayton Christensen.