Answer:

ITUNES

AnswerCrossword Clue
ITUNESApple product with a "Genius" feature
ITUNESMusical app
ITUNESIts logo features a pair of eighth notes
ITUNESDownloadable media player
ITUNESOnline music source
ITUNESApple service
ITUNESApple's "home to everything that entertains you"
ITUNESDigital media player
ITUNESApple introduction of 2001
ITUNESPodcast source
ITUNESApple debut of 2001
ITUNESApple app source
ITUNESFreeware used to play digital music files
ITUNESApple product
ITUNESApple application
ITUNESOnline music mart
ITUNESApple product since 2001
ITUNESIts logo features two eighth notes
ITUNESMeans of music storage
ITUNESIts icon contains a pair of quavers
ITUNESApple app
ITUNESApple's all-in-one music player
ITUNESProgram with a Genius feature
ITUNESSoftware with a store
ITUNESProgram that started as SoundJam
ITUNESNoted library opened in 2001
ITUNESBig name in movie rentals
ITUNESGenius Mixes program