Allows software developers who use the Windows Communication Foundation (WCF) to send their messages through Amazon SQS without having to change their application code. This makes it easy for WCF applications to pass messages to other systems that are not in their network, such as remote browser-based applications and systems run by their business partners.
In the Webservices area, Amazon is one of my leading indicators. They were there about 3 years ago, much before anyone else, providing access to their information assets. So when Amazon, makes a move in the webservices area, it is worth paying attention.