Sandel says he relies on his students' "sense of justice" to keep them from improper behavior.
Since mid-September, more than 2,100 different student machines have used the ICG server, according to Bergen.
More changes can be expected as the ICG expands its technology.
"Next term we hope to provide real-time communication in courses via the use of tools to create virtual environments," Bergen says.
In the meantime, courses continue to expand their presence on the Web. Students in Social Analysis 10, "Introduction to Economics," received an e-mail last week announcing the addition of a lecture discussion page to the course's Web site.
John F. McHale, the head TF, says he expects that "a lot of marketing" will be needed to make the group successful.
"But with 1,000 students and a lot of strong opinions, I am reasonably confident that it will take off," he says.