There are few places left in this world safe from advertising. Your apps have em, your train is plastered with them (inside and out), even your premium video subscription service pelts you with sales pitches. So, why should getting from one place to another be any different? Motorola (and, we suppose by extension, Google) doesn't see any reason it shouldn't feed you ads while you're navigating about, using your phone's turn-by-turn directions app. Of course, all these ads would be tailored specifical