Then again, the solution to this is not necessarily Uber, but a regulation forcing taxi drivers to provide credit card payment. As far as I remember, these sys

Then again, the solution to this is not necessarily Uber, but a regulation forcing taxi drivers to provide credit card payment. As far as I remember, these systems allow a default "do you want to tip" option (but I see what you mean, people probably tend to tip more with cash than with credit cards).