Issues underlying the free speech vs. censorship debate in cyberspace

(a) Describe some of the issues underlying the free speech vs. censorship debate in cyberspace.
(b) What is meant by “free speech”?
(c) Describe the differences between what Catudal calls “censorship by suppression” and what he calls “censorship by deterrence”?
(d) Is this distinction useful for understanding some of the complex issues surrounding censorship?