Since MIT and Harvard started edX, their joint experiment with free online courses, the venture has attracted enormous attention for opening the ivory tower to the world. But in the process, the world will become part of an expensive and ambitious experiment testing some of the most interesting--and difficult--questions in digital education. Can…

Sebastian Thrun gave up tenure at Stanford University after 160,000 students signed up for his free online version of the course "Introduction to Artificial Intelligence." The experience completely changed his perspective on education, he said, so he ditched teaching at Stanford and launched the private Web site Udacity, which offers…

One can hardly mention higher education today without hearing the word "innovation," or its understudies "change," "reinvention," "transformation." Last summer the National Governors Association opened its meeting with a plenary session on higher education, innovation, and economic growth. But there is nothing funny about the need for innovation…

Surely "massive open online course" (MOOC) has one of the ugliest acronyms of recent years, lacking the deliberate playfulness of Yahoo (Yet Another Hierarchical Officious Oracle) or the droll shoulder shrug suggested by the word "snafu" (Situation Normal, All Fouled Up). The author is not a complete neophyte to online…