DVD copy protection strengthened

BBC NEWS | Technology: "Macrovision says its new RipGuard technology will thwart most, but not all, of the current DVD ripping (copying) programs used to pirate DVDs. Macrovision said RipGuard was designed to plug the "digital hole" that was created by so-called DeCSS ripper software. It circumvents Content Scrambling System measures placed on DVDs and let people make perfect digital copies of copyrighted DVDs in minutes"