Engadget: Signal. You can never get enough signal. Got full bars on your laptop? Something will come up, cause you to move, and then you'll be down to three, and then two, and before you know it your downloads will be failing and you'll be holding your device up and waving it around, hoping the fickle gods Micro and Wave will smile upon your plaintive dance while everyone else in the coffee shop sneers over mochas.
