https://www.uber.com/global/en/cities https://www.uber.com/global/en/cities Any kind of business operating at these many places, having to deal with local laws

https://www.uber.com/global/en/cities https://www.uber.com/global/en/cities Any kind of business operating at these many places, having to deal with local laws, tax and payment processing in each one of them would require a huge and constant engineering effort.