https://www.mozilla.org/privacy/firefox/
https://www.mozilla.org/en-US/privacy/firefox/
https://support.mozilla.org/products/firefox
https://support.mozilla.org/kb/customize-firefox-controls-buttons-and-toolbars?utm_source=firefox-browser&utm_medium=default-bookmarks&utm_campaign=customize
https://www.mozilla.org/contribute/
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