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Shine a light on the third parties that are collecting data about your online activity.
Install the Lightbeam add-on
Firefox OS has gone from vision to demo to reality in just two years, bringing openness, accessibility and opportunity to 15 countries so far.
See what’s next for mobile
Let‘s explore, tinker and create together to build a Web that‘s open and made by everyone.
Become a Webmaker
Our community hub for docs, demos and other resources just got a brand new look.
Visit the Mozilla Developer Network
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