Google Chrome has been my default browser for quite some time, but I've got to admit... I like what I'm seeing so far in Firefox 4, and the tweaks just keep on coming. One recent addition which has been talked about for some time is the option to create App Tabs.

Firefox 4's App Tabs look pretty much like a pinned tab in Google Chrome. For now, an App Tab appears to simply force a tab to the left and display it with the favicon only. It's a great way to save additional space on your tab bar, and a feature I use religiously in Chrome.

Right now, you'll only find App Tabs in the Mozilla nightly builds of Firefox 4 -- which you can download here for Windows, Mac, and Linux. To create an App Tab, just right click and select the option from the context menu.

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