Mozilla Firefox 8 Final got released just days ago and now it's time for Firefox 9 Beta for Windows, Mac, Linux and Android. Packed with exciting new features like Type Inference to make JavaScript significantly faster, Mac OS X Lion native application toolbar and icon styling, ability to developers to detect if a user has opted to use "Do Not Track privacy feature" via javascript, and chunked XHR support helping developers make websites and Web apps faster, especially one's that download large sets of data or via AJAX - the new Firefox 9 seems to good on features.