think as you heard from Chris and as anyone who actually uses uber or lyft would know you know in addition to whether or not their search pricing you're very sensitive to when you think you're actually going to get a ride note so what the ETA actually is so sort of by fixing the network and you'll see more in the models sort of how this plays out now one of the things we don't actually have much to say about is how passengers are sensitive to etas and sort of in particular you know one thing that might mean is that the design of