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Continue to ChatGet Firebug Extension for Firefox 3; Plays Nicely with Gmail https://www.labnol.org/software/download/download-firebug-extension-firefox-3-gmail-compatible/3366/
Get Firebug Extension for Firefox 3; Plays Nicely with Gmail https://www.labnol.org/software/download/download-firebug-extension-firefox-3-gmail-compatible/3366/