It's one thing to be identifiable in the here and now; it's quite another to have your movements recorded and kept on file for an unspecified period of time. Th

It's one thing to be identifiable in the here and now; it's quite another to have your movements recorded and kept on file for an unspecified period of time. That creates the same privacy problems that collection and analysis of telephone and email "metadata" create. http://kieranhealy.org/blog/archives/2013/06/09/using-metadata-to-find-paul-revere/ http://kieranhealy.org/blog/archives/2013/06/09/using-metada...