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Change Hidden iTunes Preferences lets you tweak iTunes options - Macworld (blog)
http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNGg2iDUdxdzQW8VBy1tRjAOOr4c8A&url=http://www.macworld.com/article/1167259/change_hidden_itunes_preferences_lets_you_tweak_itunes_options.html