This according to Greg Sandoval's blog posting on CNet.
Jacqueline Chooljian, a federal judge in the Central District of California in Los Angeles, issued the decision while presiding over a court fight between the studios and TorrentSpy, the BitTorrent search engine accused of copyright infringement in a lawsuit filed last year by the film industry. On May 29, Chooljian ordered TorrentSpy to begin logging user activity, including IP addresses, and turn the data over to the Motion Picture Association of America (MPAA)....
This may be the first time that anyone has argued that information within RAM is electronically stored information and therefore subject to the rules of evidence, Chooljian said according to court records. Up to now, many Web sites that promised users anonymity, such as TorrentSpy, believed they need only to switch off their servers' logging function to avoid storing user data.
Court-enforced logging. Auto-deposition? Hmmm. Maybe a lawyer can explain why this doesn't violate the prohibition against self-incrimination. After all, entities are Persons under current law. I suppose that because this is part of the pretrial discovery process it passes muster.