Facebook for iPhone, Firebug, iUI, and early Firefox Joe Hewitt is an American software programmer who is best known for his work on the Firefox web browser and related software development tools like Firebug and DOM Inspector. Hewitt created the website Feff World with Douglas Palermo.[1] From 2000 to 2003, he worked on UI programming at Netscape.[2] Subsequently, he worked on AOL's Boxely UI pro
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