iTunes sells 24% of all U.S. music - PC World

Apple's iTunes Music Store now sells 25 percent of all music sales in the U.S., and 69 percent of the entire US digital music market. Relative newcomer AmazonMP3 sells just 8 percent of all U.S. digital music downloads.

Market research company The NPD Group reports that while CDs remain the most popular format for paid music purchases, digital music sales are making up an ever-greater share of US music sales. (See also "Apple iTunes: How to Organize and Manage Your Music Collection...