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This article describes how to change the language on Firefox OS.
Firefox OS has a feature that lets you tell websites not to track your browsing behavior. Learn what tracking is, how the feature works and how to turn it on.
Firefox OS lets you easily put music, photos and videos on your device by downloading them from the browser. Just long-tap on a file and choose save.
The Firefox Marketplace now recommends apps that you might find interesting. Learn more about how the recommendations work.