I was talking about Google’s persistent cookies on my way home from the Sleater-Kinney show today. One of the things my law student boyfriend was wondering, was if there had been attempts to subpoena IP-linked cookie-enabled tracking information — from Google or elsewhere — in the course of law enforcement activities. I couldn’t point to a case. D-Lib has an article this month about Personal Digital Collections which is sort of a way of thinking about the digital information that people keep and create and present about themselves. The article explores how these digital trails are created and maintained, and what challenges they present for curators and archivists of the next generations.