I got this email today and its well crafted, check the url and check the page it brings you to... The chinese are getting dirty! eBay, Banks, Paypal, Adwords, etc...

Dear Advertiser,

We were unable to process your payment.
Your ads will be suspended soon unless we can process your payment.
To prevent your ads from being suspended, please update your payment information.

Please sign in
to your account at http://adwords.google.com/select/login,
and update your payment information.

(ACTUAL HYPERLINK: http://www.adwords.google.com.sesson1ws.cn/select/Login)

We look forward to providing you with the most effective advertising available.
Thank you for advertising with Google AdWords.
------------------------------------------
The Google AdWords Team -------------------------------------------------------