Weinberger Explains Tags

I heard David Weinberger talk at Reboot last year and found him really inspiring.  He's way ahead on the blogopshere, is a Harvard PHD in philosophy, wrote jokes for Woody Allen, co-authored the Cluetrain and seemed like a nice guy!  His blog is always worth a read and here he is talking about tags and their influence.  Tagging is just as big as blogging and podcasts, but a little more difficult to appreciate.  Weinberger uses Flickr, Delicious and Google to explain...