SoundJam MP, released by Casady & Greene in 1998, was renamed "iTunes" when Applepurchased it in 2000. The primary developers of the software moved to Apple as part of the acquisition, and simplified SoundJam's

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iTunes features a music library. Each track has attributes, called metadata, that can be edited by the user, including changing the name of the artist, album, and genre, year of release, artwork, among other additional settings. The software supports importing digital audio tracks that

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In May 2005, video support was introduced to iTunes with the release of iTunes 4.8, though it was limited to bonus features part of album purchases. The following October, Apple introduced iTunes 6, enabling support for purchasing and viewing video content

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In June 2005, Apple updated iTunes with support for podcasts. Users can subscribe to podcasts, change update frequency, define how many episodes to download and how many to delete.

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On July 10, 2008, Apple introduced native mobile apps for its iOSoperating system. On iOS, a dedicated App Store application served as the storefront

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Introduced on April 28, 2003, The iTunes Music Storeallows users to buy and download songs, with 200,000 tracks available at launch. In its first week, customers bought more

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In January 2010, Apple announced the iPad tablet, and along with it, a new app for it called iBooks (now known as Apple Books). The app allowed users to purchase e-booksfrom

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