FeedBurner provides custom RSS feeds and management tools to bloggers, podcasters, and other web-based content publishers.
Pipes is a powerful composition tool to aggregate, manipulate, and mashup content from around the web.
Amazon S3 is storage for the Internet. It is designed to make web-scale computing easier for developers. Amazon S3 provides a simple web services interface that can be used to store and retrieve any amount of data, at any time, from anywhere on the web.