This happened yesterday right after the Eric Schmidt/Google talk:

From: update@danger.com
To: klotz
Subject: Over-the-Air Update Notification (os:#####)
Date: Thu, 6 Mar 2003 17:45:03 -0800

Congratulations! 
Your device has been updated with the latest system 
and application software. For details, read the
"Update Notes", which you  can open from the 
Desktop Interface Help link. You can also reach the 
update notes by going directly to 
http://help.sidekick.dngr.com/OTA.html.

Thank you.
T-Mobile Customer Care
CustomerCare@t-mobile.com
www.t-mobile.com