They still know exactly who was driving. In areas where impersonation by people without working papers has been a problem, they've started to make the drivers p

They still know exactly who was driving. In areas where impersonation by people without working papers has been a problem, they've started to make the drivers photograph themselves to prove their identity. It's a safer system than the existing yellow cab setup - if you go missing, at least they have a pretty good idea about who did it.