Hiding ads in FireFox

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In all of the (short) history of the Internet, there have been advertisements in various forms.  Popups, splash screen, headers, sidebars ...you name it..  

Personally, I have come to a point that I hate ads.   I am searching for an article and there are more ads than text!   To those of us that still using Facebook (I know that I must stop my bad habits :P ) for whatever reason and do not want to have that side bar of advertising... this is your solution.  You will need:

Firefox web browser (version 3+ will be OK)  Get it here: http://www.mozilla-europe.org/
Firefox add-on GreaseMonkey    Get it here: https://addons.mozilla.org/en-US/firefox/addon/748/
And the Facebook ad-blocking script.  Get it here:  http://userscripts.org/scripts/show/86401
What it does is use CSS and xpath selectors to "catch/select" the sidebar element (also known as the ad div) and it hides it. After you install it you don't have to do anything.  It just hides the ads.

Besides Facebook, there are GreaseMonkey scripts that hide ads from many other sites. The best source for these scripts is here:

Note that hiding the ads does not mean we don't download them by opening the page.  JavaScript is a client-side programming language and that means the page has to download to the client (us) and then modified with a script (invoked by GreaseMonkey) before we see the ad.

P.S.  Sorry ad people :)  I do understand the need to monetize but sometimes you do it too much!
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