See Jim O'Neil's post detailing the
New, Improved, No-Risk Windows Azure Trial!
Microsoft has announced plans to release an additional limited preview of an Apache Hadoop-based service for Windows Azure in the first half of 2012.
Since the first limited preview released in December, customers such as Webtrends and the University of Dundee are using the Hadoop-based service to glean simple, actionable insights from complex data sets hosted in the cloud.
Customers interested in signing up for the latest preview should visit http://www.hadooponazure.com.