Rated 5 out of 5 stars

per Matt Marrazzo el ago. 15, 2009 ·

This Firefox Add-on saves me a lot of time and hassle. Many won't know that it also works beautifully for Thunderbird; see http://www.longfocus.com/firefox/updatenotifier/ . I wish you would add it to the Thunderbird add-ons page for the benefit of those users.
Thanks!