I found this out for you from a similar response from facebook.
On Feb 10, 2010, at 1:27 PM, The Facebook Team wrote:
Hi,
Thank you for submitting this bug report and taking time to help us improve the site. Unfortunately, we are unable to respond to every bug report individually, but we are reading them.
Screen shots often help our team diagnose problems that users are seeing. If you did not send a screen shot with your report, please follow the directions listed here:
http://www.facebook.com/help.php?page=971Once you have saved the screen shot, attach it in a response to this email. If your issue is unfamiliar to our team, we may contact you for more details. If we have identified and are troubleshooting your issue, we will not need to contact you for more details. We appreciate your patience.
Thanks,
The Facebook Team