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20 Useless Firefox extensions
April 30, 2009 3:00 AM PDT 
The JackassBar
A toolbar that calls you its namesake. Described as being built "for my best friend, Slider, who said we should create this," all it does is call you a Jackass, complete with a drop down menu and hover tool tip that does the same. You don't always have to listen to your friend's advice--or download this extension.
Photo credit: CNET Networks
