How are the content industries fighting back against p2p file sharing? Give examples of laws, norms, the market, and code/architecture. Is it working?
Why did Napster lose? What laws made them liable? Why didn't their Betamax and fair use defenses apply?
Why did Grokster win at the district and circuit levels? Why did they lose (badly!) in the Supreme Court? What new standard did the Supreme Court create?
Which users got sued? What effect does that have on filesharing?