Rated 5 out of 5 stars

by dave6d6ky on April 29, 2011 ·

When I installed FF4, the gmail manager icon was gone - but so was Readability and others.

I found I needed to turn on 'add-on bar'. Right click on the top bar, and select 'add-on bar' - for me, it was last in the list.

Love this add-on. I wouldn't want to be with out it.