TeleNav bringing hybrid navigation to GPS apps, providing cached routes when you need 'em most

If there's two things the world needs, it's a complete lack of international roaming charges, and GPS signals that never fade. Oh, and for Slash to not play the last Super Bowl with the Black Eyed Peas -- we suppose that makes three. At any rate, at least we're moving somewhat closer to a reality that solves the middle issue, with TeleNav announcing this week that it'll be implementing...