Why is it that Apple won't let you both see and control the machines that are authorized on your itunes account? If it's only the UUID that is being retained then there is no reason that can't let the account holder see and authorize, deauthorize each machine from a central web screen. It would make it simple for those who accidently don't deauthorize before selling or letting their computer go (or the computer breaking before it can be deauthorized) fix the problem without all the trial and error the current system has.
This site contains user submitted content, comments and opinions and is for informational purposes only.
Apple disclaims any and all liability for the acts, omissions and conduct of any third parties in connection with or related to your use of the site.