Firefox browser add-on lets us try Firefox OS in an all-Mozilla universe(www.engadget.com)

We've had the chance to experiment with early versions of Firefox OS for awhile -- just not in Firefox the browser, where you'd nearly expect it to have shown first. At least one person appreciates that seemingly natural fit. A new Firefox OS simulator add-on, r2d2b2g, lets us try Mozilla's upcoming mobile platform from within the company's own browser for everything that doesn't depend on native hardware, including the browser and Firefox Marketplace.
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