Summary:
- The article discusses the history of copy protection methods used on floppy disks for PC games in the 1980s and 1990s, specifically focusing on the SoftGuard and SuperLok systems.
- It explains how these copy protection schemes worked by modifying the floppy disk format in ways that made it difficult for users to create unauthorized copies of the games.
- The article also notes that while these copy protection methods were effective at the time, they ultimately failed to prevent piracy and often caused compatibility issues for legitimate users.