Earlier reports of the iTunes Store's success are true; Apple has officially said that NPD discovered the media store's dominance over industry giant Wal-Mart during a study. The report states that Apple's 50 million customers have moved over four billion songs from the world's largest music catalogue of over 6 million songs. The study accounts for...

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	www.macnn.com/articles/08/04/03/itunes.tops.music.retail/