Amazon Web Services offers an SDK for Ruby language. This kit helps to build applications using AWS services including unlimited cloud storage with Amazon S3, resizable clouding with Amazon EC2, and query data with Amazon SimpleDB. Software kits version 1 and version 2 are available. Each one includes an API reference with API operations such as sample requests, responses, and errors supported by AWS. Use this SDK to create applications related to products, marketing, and advertising. The aim of this tool is to increase brand sales.