In The Coming Education Revolution I discussed Sebatian Thurn and Peter Norvig’s online AI class from Stanford that ended up enrolling 160,000 students. Felix Salmon has the remarkable update:

…there were more students in [Thrun’s] course from Lithuania alone than there are students at Stanford altogether. There were students in Afghanistan, exfiltrating war zones to grab an hour of connectivity to finish the homework assignments. There were single mothers keeping the faith and staying with the course even as their families were being hit by tragedy. And when it finished, thousands of students around the world were educated and inspired. Some 248 of them, in total, got a perfect score: they never got a single question wrong, over the entire course of the class. All 248 took the course online; not one was enrolled at Stanford.

Thrun was eloquent on the subject of how he realized that he had been running “weeder” classes, designed to be tough and make students fail and make himself, the professor, look good. Going forwards, he said, he wanted to learn from Khan Academy and build courses designed to make as many students as possible succeed — by revisiting classes and tests as many times as necessary until they really master the material.

And I loved as well his story of the physical class at Stanford, which dwindled from 200 students to 30 students because the online course was more intimate and better at teaching than the real-world course on which it was based.

So what I was expecting was an announcement from Thrun that he was helping to reinvent university education: that he was moving all his Stanford courses online, that the physical class would be a space for students to get more personalized help. No more lecturing: instead, the classes would be taken on the students’ own time, and the job of the real-world professor would be to answer questions from kids paying $30,000 for their education.

But that’s not the announcement that Thrun gave. Instead, he said, he concluded that “I can’t teach at Stanford again.” He’s given up his tenure at Stanford, and he’s started a new online university called Udacity. He wants to enroll 500,000 students for his first course, on how to build a search engine — and of course it’s all going to be free.


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