Video: iPhone OS 3.0 walkthrough

Many of us -- okay, a small handful of us -- wouldn't dream of putting beta firmware on our day-to-day devices, so we wanted to treat that very special group of safety-minded individuals to a once-over with iPhone OS 3.0's finer points on video. Odds are this is about as close as they'll get to the goods until Apple blesses the binary a few months from now, after all, and there's no harm in living vicariously through an Engadget editor's load-firmware-first, ask-questions-later lifestyle -- trust us. Video after the break.