http://aws.amazon.com/about-aws/whats-new/2010/02/08/versioning-feature-for-amazon-s3-now-available/ http://aws.amazon.com/about-aws/whats-new/2010/02/08/versio

http://aws.amazon.com/about-aws/whats-new/2010/02/08/versioning-feature-for-amazon-s3-now-available/ http://aws.amazon.com/about-aws/whats-new/2010/02/08/version... and http://aws.amazon.com/s3/faqs/#What_is_Versioning http://aws.amazon.com/s3/faqs/#What_is_Versioning