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Mozilla Firefox has over 6,000 add-ons to customize and enhance your web browsing experience. Categories include blogging, tools, entertainment, humor, news, privacy and security, and more. You can add style to your browser with skins and themes. Or, equip your browser bar with a dictionary or add a media toolbar with games and other forms of entertainment.

Firefox 3.5 features the innovative (first in the world, in fact) use of open audio and video. With HTML 5 audio and video support (and the Ogg Theora open video format), you can expect a richer media experience with fewer format problems and plug-ins getting in the way. You can even save a video directly from the site to your desktop.

Firefox has tabbed browsing so you can quickly jump from site to site and open more than one website in the same browser window. Firefox also allows you to change the order of your tabs, and has a redo function for when you accidentally delete tabs. And now Firefox even has a single-click option to open new tabs, and the ability to pull a tab off and create a new window. There is an add–on for voice interaction so you can navigate the Internet through simple voice commands.

Firefox's integrated find-on-page function is slick and non-intrusive. You can easily find a word or phrase on a specific webpage without dealing with a pop-up window; Firefox puts the feature right into the bottom of the browser.

This is a great browser for students or others who conduct research on the Internet. Mozilla has developed virtual sticky notes so you can add your own notes to web pages, and they will be there when you return. The Library archives your browsing history and bookmarks for easy organization.

The innovative Smart Location Bar will adapt to your use and preferences. This handy tool makes it easy to return to websites you've previously visited, even if you don't remember the exact URL. The smart location bar helps you locate sites based on titles and content. The improved "Awesome Bar" has been refined and now includes privacy settings. One-click bookmarking makes it easy to organize your favorites. Firefox 3.5 also now includes anti-phishing, a pop-up blocker, password manager, and parental controls.

Another nice feature is the anywhere drag and drop, which allows you to drag text or a link from anywhere on a web page and put it directly into your search bar.