In this dynamic and ever changing world of "social tagging" (explanations here , here and here with articles here and examples at my Flickr and del.icio.us sites) I've noticed that we need only 3 tags to get close enough to browse for an item. The three items are: Time - "2002", "Christmas", "birthday" Place/group - "Wellington", "workplace", "lads", "project x" Event - "party", "rugby", "meeting" Examples: Project X, Meeting, 11-Mar-1967 Lads, Rugby, March Family, Christmas, 2005 As far as I can tell it works on anything. What I'm doing is pin-pointing an entity in the dimensions we all exist within. The obvious one is time, which places the item into our lifetime existence - ever asked someone to find those meeting minutes for the "A Project"; first question is, "When was the meeting?" I have put items such as Christmas and Birthday in 't...