Amazon Cloud Drive
Amazon's Cloud Drive is a personal cloud storage service from Amazon that debuted in March 2011. Amazon Cloud Drive offers up to 5 GB of cloud storage free for users, with additional storage costing one dollar per GB per year.
Amazon Cloud Drive also includes an Amazon Cloud Player app that enables users to play music stored in the Cloud Drive from any computer, Android-powered mobile device or iOS-powered device such as an iPad or iPhone).
Songs and albums purchased from the Amazon MP3 store are automatically saved by Amazon Cloud Drive, and can be played with the Amazon Cloud Player from any computer. Additionally, the song purchases are stored for free and do not count against the user's Cloud Drive storage space limit.