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The simulator is an extension that runs in Firefox and lets users check out how the operating system will work. CNET contributor Don Reisinger is a technology columnist who has covered everything from ...

Mozilla’s Firefox OS (also known as Boot to Gecko), a mobile operating system that focuses on web technologies like HTML, CSS and JavaScript, is quickly moving through its development stages. While it ...

A new, free alpha add-on from Mozilla makes it possible to test apps - and the Firefox OS itself - from within the web browser. All you need is Firefox, and a bit of time to work with the Simulator.

The BlackBerry PlayBook isn't out yet, but RIM isn't taking any chances with the new tablet-focused BlackBerry Tablet OS that's supposed to go on it: they want a wealth of apps already available for ...