YouTube in HIGH Resolution....url Trick

This Video show you how to view Youtube in a higher resolution using a simple url trick//
YouTube has been testing higher bitrate encodings of it videos,  Historically, all videos have been delivered to the lowest common denominator: sorenson encoded 320x240. By adding ....watch the video for the code.... to the URL, the video is served up in 448x336 resolution, thank you plzz rate n comment...thank you again