George Siemens, who leads Athabasca University’s Technology Enhanced Knowledge Research Institute, makes the case for why colleges should experiment with inviting tens of thousands of students to participate in their courses free online. Since the Tech Therapy team conducted the interview last year, the model has caught on with many well-known universities.

Links discussed in this episode: Stanford U. Offers Free Online Course in Artificial Intelligence | After Leadership Crisis Fueled by Distance-Ed Debate, UVa Will Put Free Classes Online

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Each month, The Chronicle’s Tech Therapy podcast offers analysis of and advice on what the latest gadgets and buzzwords mean for professors, administrators, and students. Join hosts Jeff Young, The Chronicle’s technology editor, and Warren Arbogast, a technology consultant who works with colleges, for a lively discussion—as well as interviews with leading thinkers in technology.