Firefox 9 is out now (the public page hasn't been updated yet as of this writing, but the build is available from official links already), and while that in itself isn't really big news (the uberpopular browser updates all the time, and plenty of people have already chosen to use Chrome or another browser anyway), there is one big note in this update worth mentioning: The app will now natively support two-finger swiping gestures on your MacBook (or Magic Mouse or trackpad, if you have one of those running). That means that without extra add-ons, you can n
