Rocketboom on Epistemology

The daily video blog Rocketboom “explains” epistemology yesterday, very interesting to watch. What are you thoughts on it? One problem is that Decartes “I think therefore I am” is apparently still the litmus test that no one else has been able to overcome in any satisfactory way. Really? http://blip.tv/scripts/flash/showplayer.swf?file=http%3A%2F%2Fblip%2Etv%2Frss%2F968028&brandlink=http%3A%2F%2Fwww%2Erocketboom%2Ecom&brandname=Rocketboom&showsharebutton=true&showguidebutton=false&showplayerpath=http%3A%2F%2Fblip%2Etv%2Fscripts%2Fflash%2Fshowplayer%2Eswf