Adaptive learning has become a dominant theme in settings ranging from academic laboratories to commercial education. Despite tens of millions of dollars invested by governments, universities, the private sector and companies, however, progress has been both costly and limited. No established initiative has attempted to model the processes human teachers and tutors use in interacting with students. This article is an attempt to explain why. It also outlines a potential solution to the problem: Highly efficient authoring and delivering platforms that make it possible to both efficiently create and deliver human like tutorials.