This is just mind blowing for a development team, on all of the new things that you can do from within the Azure Portal.
A Resource Group is a Declarative JSON description of an entire application suite
Auto scale your resource usage, with zero need for you to make configuration changes.
Capture the entire Resource Group with the Azure Resource Manager Preview using PowerShell
Why it is important: This provides complete end to end DevOps Orchestration & Control right from within the Azure Portal