We don't know the answer to that, because it would be determined by how much the public trusts technology that doesn't exist yet (at least not in a form ready t

We don't know the answer to that, because it would be determined by how much the public trusts technology that doesn't exist yet (at least not in a form ready to be deployed en masse by Uber). And if they did trust it, there'd be no reason for Uber to give a 75% discount for using it.