Unlimited, Auto Expanding Archiving (or is it?)

Microsoft recently made a change to their documentation on this Office 365 feature. The documentation can be found here
Ironic pic of the day:

So. The Auto-Expanding Archive part is true, it’s just not the unlimited buffet of storage that it used to be. Did you see an announcement on this? I doubt it.
Tony Redmond was kind of enough to write a detailed article on the findings earlier today. Check out his blog post HERE.