More than 3 billion songs have been purchased and downloaded from the iTunes Store, according to Apple. The service hit the 2 billion mark in January and topped 1 billion songs sold in February 2006. Thus, the download rate has jumped considerably in the past six months. The store currently sports a catalog of more than 5 million songs, along with 550 television shows and 500 movies, according to Apple.

>> iTunes Odometer Rolls Past 3 Billion