Here are a few updates posted during this week on the Windows Azure and Amazon Web Services blogs.
Amazon Web Services
Cloudfront Lowers Minimum Content Expiration Period
Amazon's CloudFront has changed the minimum time for edge locations cached objects from 60 minutes to zero seconds.
Amazon RDS Increases Backup Retention Period
RDS increased the backup retention period, allowing you to restore your database instance up to the last five minutes.
Azure PowerShell Cmdlets (v2.2.2)
The new release of Azure PowerShell cmdlets should make scripting easier. This post includes some improvements to getting started as well as code snippets and changes.