Tech marches on:<p><i>5,000-word dossier for each of 200 million Americans on a single, 4,800-foot reel of one-inch plastic computer tape. It would take no longer than four minutes to find an individual file, and a print-out would follow in moments.</i><p>Interesting to hear when a 4 minute seek time on an index would have been considered short, on a data set which was merely 8 terabytes or so. By comparison, that wouldn't hold all the photos uploaded to Flickr. Yesterday.