ABSTRACT
Ê 3.6 billion digital audio downloads were purchased globally in 2011, an increase of 17 percent (combining singles and album downloads) over 2010.
Ê In the U.S., the world's largest music market, digital music has overtaken physical recording formats to become the primary source of revenues for record companies (32% globally). This compares with online revenue percentages of 5% for newspapers, 4% for books and 1% for films.
