I am very excited to let you all know that Microsoft has made the preview release of Exchange 2013 available for download.
This release has been highly anticipated, for more information about the Exchange 2013 preview, click here. In addition, the Office 2013 preview was also announced. Exchange 2013 preview documentation has also been updated on TechNet.
Watch this space for news and information about what you can expect to see in Exchange 2013!