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Change Case uses OS X Services to expand TextEdit - tuaw.com (blog)
http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNEn8iiGxvx2nsPDyhu6dODbEVMWvA&url=http://www.tuaw.com/2010/08/13/change-case-uses-os-x-services-to-expand-textedit/