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Upgrade offer boosts Firefox 4 share by 30%

“Firefox 4’s share shot up 11% the first day after Mozilla
started offering users the upgrade last week, and climbed 30% in
four days.

“The boost moved a long-time Mozilla employee to compare the
gains of Firefox and Microsoft’s Internet Explorer 9 (IE9) since
the two browsers debuted last March.

“IE9 will never catch up to Firefox,” said Asa Dotzler,
Mozilla’s community coordinator for Firefox marketing, on his
personal blog.”


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