Honestly, I doubt it's got anything to do with it. The reason Google Maps is #1 is that, at the time, it was far better than anything else. And nobody has offe

Honestly, I doubt it's got anything to do with it. The reason Google Maps is #1 is that, at the time, it was far better than anything else. And nobody has offered an equally compelling leap since. To move masses, you need equally massive advancements in usefulness (also, marketing).