See that screen there? That's from the minty fresh beta 4 of iPhone OS 4.0, which was just released to developers moments ago. Unless our eyes are badly mistaken, that's an option to setup internet tethering on AT&T, something that WWAN warriors have been waiting for since oh, forever. We're downloading the new build as we speak, and we'll let you know if we find anything out. Oh, and don't get your hopes up too high -- AT&T proclaimed
