Not necessarily. AdBlock is the most popular extension for Firefox: https://addons.mozilla.org/en-US/firefox/browse/type:1/cat:all?sort=popular https://addons.m

Not necessarily. AdBlock is the most popular extension for Firefox: https://addons.mozilla.org/en-US/firefox/browse/type:1/cat:all?sort=popular https://addons.mozilla.org/en-US/firefox/browse/type:1/cat:a... 440,000 people download it a week. That's a lot of people not even seeing their search ads!