Grokster
Watch for floods of briefs coming in tomorrow and again in late February. What's at stake? Whether a manufacturer (or software developer) with the ability to incorporate a technology that would limit infringement of copyrighted material should be obliged to do that.
This ties closely to the CALEA debate and the FBI contention that online services should be designed with their needs in mind.
Law enforcement and the content industry would be happy to see innovation happening here “according to the rules.” They'll say that even sonnets and sonatas were written with rules in mind.
Different kinds of rules for sonnets and sonatas — rules intended to set up expectations that then could be broken. My expectation here, for what it's worth, is that although law enforcement and the studios will claim some victories early in the game, they'll be defeated in the end by the complexity of the system with which they're grappling.