If you're a user of the Gmail notifier for Mac OS X (that little red envelope on your menu bar) then you should download the lastest (hehe, funny typo) version. Apparently now it's not called the Gmail Notifier, but the "Google Notifier" because it also includes information from your Google Calender.
Author bio and support
Ruben Schade is a technical writer and IaaS engineer in Sydney, Australia who refers to himself in the third person in bios. Wait, not BIOS… my brain should be EFI by now.