John Palfrey, Harvard Law School professor, is one of the coauthors of Access Denied: The Practice and Policy of Global Internet Filtering. That book was the first to take a sustained, country-by-country look at the practice of internet censorship around the world, as well as the tools used to implement it.
Recently, though, John took aim at another First Amendment issue that's problematizing online worlds: cyberbullying. He chaired the Internet Safety Technical Task Force, a group bringing together industry representatives, academics, and child protection advocates to look into the bullying of young people by their peers online - a problem that virtually all studies show is on the rise.
Cyberbullying, Palfrey notes, poses a particular dilemma from the standpoint of freedom of speech - namely:
John wrote up an absorbing summary of the task force's conclusions in a special report for the First Amendment Center, which can serve as an excellent introduction for those just getting to this issue. Read the whole thing here. More ambitious readers can read its entire report here.