APPLE I-TUNES is Huge

" Apple Inc.'s iTunes Music Store is now the third largest retailer of music in the United States, overtaking Amazon.com in the first quarter with nearly 10 percent market share, according to a survey by NPD Group.

Apple's iTunes is third behind market leader Wal-Mart Stores Inc., with 15.8 percent and Best Buy Co Inc. with 13.8 percent. Online store bestbuy.com has a 1.1 percent market share.

Amazon.com Inc. dropped to fourth with a 6.7 percent share."