The "world's largest bookstore" may be on its way to becoming one of the biggest music stores, too. Two weeks ago,
Amazon.comhttp://www.amazon.com">Amazon.com; began a big push into CD retailing, more than doubling the number of its musical offerings to over 100,000 titles. (Competitor
CDnowhttp://www.cdnow.com">CDnow; offers over 500,000 titles.) Visitors to the Amazon website can now click on a tab that will take them to a new music site, where they can listen to audio previews and read reviews, reprints of articles on bands and musicians, and music-industry news.