Although delivered a month late, Apple has finally shipped the complete cloud integrated version of iTunes. This includes iTunes Match, a much awaited feature allowing both online streaming of music and “upgrading” library content from the iTunes Store. Here's how to upgrade your old low bit rate MP3 files with high quality 256 bit AAC replacements from Apple's server. Best of … [Read more...] about How to Legitimize and Upgrade Your Music Library Using iTunes Match