[vcf-midatlantic] curious but too little about vintage machines

A quick history of copy protection, but does not mention Apple ][ half-track formats or the laser-burned floppy disks. http://boingboing.net/2017/01/28/a-lively-history-of-drm-and-ga.html https://youtu.be/HjEbpMgiL7U a 17 min video about vintage copy protection methods