In this video tutorial, viewers learn how to install and use Ad Block Plus in Mozilla Firefox. Begin by clicking on Tools and select Add-on. Then click on Get Add on and search for the extension in the search box. Now install the add on and restart the browser. Users will be able to selectively block out text ads or even just elements of web page that is not wanted to be seen. This video will benefit those viewers who use the Mozilla Firefox web browser, and would like to learn how to install and use Ad Block Plus to block out annoying and unwanted ads.