I want to customize Firefox 30.0. I am looking for more advance customization option. I had seen in the features that you can now modify the look of this browser and make it better. I have a lot of toolbar that I can hide from the view section. But I am not able to locate more features of this new update. The official site gives a list of many features but I am not able to find how to use the same. Is there a addon available through which I can modify the browser.
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