Evolution of Usenet: From ARPANet to Commercial Spam

This lecture covers the evolution of Usenet from its origins in ARPANet to becoming a platform for commercial spam. The instructor discusses key milestones such as the introduction of NNTP, the Great Renaming, and the peak of Usenet usage in the mid-1990s, followed by its decline. Various aspects of Usenet, including its structure, message headers, and censorship-resistant nature, are explored.