The iTunes Store is an online media store launched in 2003 and run by Apple. It allows users to purchase and download music, movies, TV shows, podcasts, audio books and games. Pricing varies by content type from $0.99 per song to $14.99 per movie. The store has sold over 4 billion tracks and reached many milestones in its first years such as selling 1 billion songs by 2006. It supports playback and syncing of content on iPods, iPhones and Apple TV.