Amazon has updated it Cloud Drive music and file storage offering, the latest version now adds a paid option which will cost you $20 a year, and for this you get unlimited music storage and 20GB of file storage.
The free version of Amazon’s Cloud Drive is still available and users get 5GB of free cloud storage, and Amazon now offers free storage for any music you have purchased directly from Amazon.
The latest version also adds support for the Apple iPad , and the Cloud Player for the web has now be optimized to work with the Apple iPad for music streaming in Safari, Amazon are obviously looking to improve the service before Apple launches its iCloud storage and music streaming service.
Source Tech Crunch