The challenges to learning institutions are formidable, not least to learner-based institutions. Educators want learners to know more or less what they know, or what they had to learn. Learners want to learn what they need. A more limited subset want to learn "what there is to learn," for its own sake. Finding the productive, interactive modality between those mandates is the challenge.

from the traditional model where an expert teaches a group of mostly passive students to learning with peers