A Web-based media locker service from Amazon.com that allows users to upload their files into predefined Documents, Music, Pictures and Videos folders on Amazon servers. Other folders can be created as well. Files can be downloaded to as many as eight computers or Android devices, and up to 5GB of storage is free. The Amazon MP3 Uploader provides an easy way to upload music files, and the Amazon Cloud Player is used to stream MP3 and AAC files to the user's devices.
Cloud Drive vs. S3 Storage
Cloud Drive is a consumer service for backup, whereas Amazon's S3 storage is part of its cloud computing services. See S3 cloud storage