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  Cocoon for Firefox 3 May 15

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  IE Tab for Firefox 1 Jan 15

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  FoxFilter 4 May 15

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  Twitter App 22 Jan 15

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  Live HTTP Headers 7 May 15

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  Weather Firefox Theme 28 May 15

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  SEO Toolbar by Moz 31 Dec 14

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  Adblock Plus for Mozilla Firefox 4 Mar 16