The Dutch Supreme Court have just dismissed a case brought against the developers of Kazaa by the Dutch music copyright levy collection agency, BUMA. Kazaa creators cannot be held liable for the actions of their users.
It appears as though the Court's decision was procedural i.e. Kazaa won on a technicality. BUMA had wanted Kazaa changed in such a way that it would make copyright infringement using the program impossible but didn't file the correct legal documents in the correct way within the required deadlines. So the ruling is about procedures rather than directly about the liability of Kazaa for P2P file sharers actions. BUMA may try again.
Comment from the usual suspects imminent.