There are thousands of Firefox add-ons. Did we test them all? Nope! But, these 12 are the ones you need to make the most of your Web browsing.
There are plenty of social ways to surf the Web, but none are quite as much fun as StumbleUpon. Use the StumbleUpon add-on to find, rate, and share Web pages. StumbleUpon does personalization right by involving people in the process.
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