EMPTY CACHE BUTTON Rated 3 out of 5 stars

Still seems to be working in 21--still think a good thing
I have just been upgraded to version 14 Firefox PC--have tried installing/uninstalling TWICE but the icon will not appear where shown in instruction and I do not see it anywhere not added to toolbars so........???? It is DEFINITELY NEED FOR FIREFOX AND IN ALL THEIR UPDATES I DON'T KNOW WHY THEY HAVEN'T PUT THIS IN IT........

This review is for a previous version of the add-on (1.9).