This article presents an excerpt of the responses of two experts, Gene I. Maeroff, a senior fellow at the Hechinger Institute on Education and the Media at Columbia University's Teachers College and author of "A Classroom of One: How Online Learning Is Changing Our Schools and Colleges," and Robert Zemsky, chairman of the Learning Alliance for Higher Education and author, with William F. Massy, of a report titled "Thwarted Innovation: What Happened to E-Learning and Why?," to questions about e-learning. At The Chronicle's Technology Forum, the two experts debated the question whether e-learning has lived up to its potential. A section on Question & Answer: Communities of students and faculty incentives, which the two experts respond to questions from the audience, is also presented.