[wonjun]

The issue goes beyond the technology and law. It's more about the culture of place where Uber operates in. Making a living as a taxi driver in Seoul is different from how it is to do the same in San Francisco. Consumers have different expectations and are wary about different safety issues.

This must be true for each country. I don't think Uber can pervade the entire globe as much as facebook or google. Each place will lag but eventually come up with their own version of Uber that has better understanding of their locale. I think it's different from how people wish to have the same McDonald's experience across the globe. And there is no economy of scale by operating in two very difference places. Consumers in Seoul do not benefit from Uber's operation in San Francisco. Perhaps there is economy of scale in developing the technology, but not in operations.

Uber is the pioneer but is not meant to take over the entire globe.