Gmail is my Firefox home page and is always open as long as Firefox is there. So I wrote this Greasemonkey script to show Google Reader’s unread count in the nav-bar of Gmail. A good place, isn’t it?
The script checks for the unread count every 8 minutes. But after you click the “Reader” link, it checks the count 1 minute later and extend the interval by 1 minute after every check until the interval returns to 8 minutes again.