Excerpt from Firefox Privacy policy To market our services. Technical data Location Language preference Settings data Unique identifiers Interaction data Browsing data System performance data Legitimate interest in promoting our products and services, including sending marketing communications and measuring and improving our marketing campaigns. Consent, where required under applicable law (e.g. jurisdictions which require consent to receive marketing communications). Learn more about what Campaign Measurement data is collected and shared, and how to opt out. Note: Firefox does not share information like your browsing history, search queries, or saved passwords with marketing technology partners. Mozilla only collects the data necessary to measure and improve our marketing campaigns.
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