....from:

http://www.macworld.com/article/134054/2008/06/itunesstore.html?lsrc=mwweek

iTunes Store - five billion sold and counting by Peter Cohen, Macworld.com Jun 19, 2008 8:35 am

Apple on Thursday announced that more than five billion songs have been purchased and downloaded from its iTunes Store. According to NPD MusicWatch figures, the iTunes Store is the number one music retailer in the U.S.; Apple also says that the iTunes Store is the most popular online movie store in the world, with people renting and buying more than 50,000 movies every day.

The U.S. iTunes Store’s music catalog stretches to over eight million songs, more than 20,000 TV episodes and more than 2,000 films, including more than 350 movies in high-definition video.