Firefox 4
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Mozilla releases Firefox 5

Yes, it's only been three months since Firefox 4 hit the streets - you're already behind.
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Firefox 4 downloads spike with automatic upgrade offers

Mozilla has started offering Firefox users automatic upgrades to Firefox 4... and uptake for the new browser has surged.
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Firefox 4 tops 100 million downloads

Mozilla's Firefox 4 browser has garnered 100 million downloads in its first month, but doesn't seem to be attracting many new users.
Android Army

Mozilla releases Firefox 4 for Android and Maemo mobile devices

Mozilla launches the final release of its Firefox 4 web browser for mobile devices, with support for Android- and Maemo-powered phones and tablets.
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Microsoft claims IE9 is the most battery-friendly Web browser

Microsoft's own study has revealed that its Internet Explorer 9 beats out the competition when it comes to energy consumption -- under certain conditions.
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Firefox 4 review: Better, faster, stronger

Review: Mozilla Firefox 4 is finally here, and it’s better than ever. But can it beat Google’s Chrome 10, Opera 11, or the new and greatly improved Internet Explorer 9? Find out in our hands-on review.
Android Army

Firefox 4 downloads top IE9 launch as Android and Maemo release candidates arrive

Mozilla puts out a Firefox 4 Mobile release candidate as its newly released desktop browser is adopted by more people on launch day than Microsoft's IE9 has after one week.
Computing

Firefox 4 final version coming March 22

Mozilla is wrapping up the quality assurance phase of Firefox and readying the browser for a final release next week.
Computing

Mozilla unveils Firefox 4 release candidate

Mozilla makes the Firefox 4 release candidate available for download on its website, the last stage before the official launch of the new web browser.
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Mozilla includes ‘do not track’ feature in new Firefox beta release

Mozilla is testing its HTTP header-based "do not track" feature as part of the latest beta release of the Firefox 4 Web browser.
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Mozilla quickly patches security hole on Nobel Prize site

A malicious redirect on the Nobel Prize website was labeled a critical threat, but barely had a chance to infect users, as Mozilla hastily patched the hole with a Firefox update in under 48 hours.
Computing

Mozilla names Gary Kovacs new CEO

Mozilla has announced that Gary Kovacs, a former Adobe and IBM employee, will succeed John Lilly as CEO on November 8.