More than 100 researchers interested in the emerging field of the
social history of computer programming are running what may be the
first academic conference held entirely using Web 2.0 tools. The conference, called the Critical Code Studies Working Group,
started on February 1 and runs until March 12. The virtual discussions
are primarily taking place using the Ning social network, but only
people invited by the conference organizers can join in.

Read more about it here.