addthis ad om Rated 2 out of 5 stars

Just had an update of Firefox & had to download again the AddThis add on but I can't get the icon for this to appear it used to be in my toolbar.. what happened how do I get the icon to appear ?

This review is for a previous version of the add-on (3.0.1). 

try this:

Try RIGHT-CLICKING near the address bar and checking the option for "Addthis".