mrguy - 4:27 pm on Jun 3, 2012 (gmt 0)
Looks like I wasn't crazy after all.
Because of a technical issue, some of your campaigns might have mistakenly resumed running on May 31, 2012. You might also have received an email titled, "Google AdWords - Your ads are now running.”
We’ve fixed this issue and are crediting your account for the amount you accrued. Once it’s been applied, the credit will appear on the Transaction history page, located on the “Billing” tab of your AdWords account.