Firefox's share of the desktop browser market has slipped by 9%, or about 1.5 percentage points, in the past 12 months, according to analytics company Net Applications, even as the desktop's share of all browsing has slid because of a trend toward more browsing on mobile devices.
And Firefox OS, while a laudable effort, struggles to gain traction, even among the lowest-priced smartphones that dominate sales in developing countries, where Android remains the overwhelming OS of choice for handset makers.
Overall, some believe, Mozilla's influence has peaked, in large part because its original mission -- to insure that an alternative existed to Microsoft's once-dominant Internet Explorer (IE) -- has been such a success.
"Mozilla's influence has been waning," argued Forrester analyst J.P. Gownder in an earlier interview.
Google's payments to Mozilla jumped 99% in 2012 to over $274 million, confirming reports two years ago that the companies had signed a three-year deal worth almost $1 billion under which Firefox uses google.com as its default search provider. (Date: Mozilla Foundation.)
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