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.
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Every time you block an ad, an online publication dies. Actually, it's not that bad. If Web sites insist on using obnoxious ads, you can insist on blocking them. More than 800,000 people download Adblock Plus every week. That should tell you something.