Mozilla late last week began offering Firefox 3.5 to users still running older versions of the browser, the first of what will likely be several attempts to get people to upgrade before support expires for Firefox 3.0.

Artwork: Chip Taylor
Firefox 3.5.2, the current version of the edition launched last June, is now being offered to users running 3.0.13, the most up-to-date edition of Mozilla's 2008 browser.

Although users have been able to upgrade to Firefox 3.5 for two months by downloading the new browser or manually triggering "Check for Updates" under the Help menu, Thursday's offer was the first automated update pitch.

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