In January, Mozilla announced plans to add a “Do Not Track” feature to Firefox, a tool that would allow users to opt out from having advertisers and other sites track their web-surfing habits. As Mozilla has readily admitted , the feature is far from perfect: Backwardly, tracking companies would actually have to agree not to monitor a user’s browsing patterns, even once he or she opts out
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Mozilla CEO: Firefox Faced Advertiser Backlash Over "Do Not Track" Feature